Kimetra Brice v. Haynes Investments, LLC ( 2021 )


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  •                 FOR PUBLICATION
    UNITED STATES COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    KIMETRA BRICE; EARL BROWNE; JILL          No. 19-15707
    NOVOROT,
    Plaintiffs-Appellees,         D.C. No.
    3:18-cv-01200-
    v.                           WHO
    PLAIN GREEN, LLC,
    Defendant,         OPINION
    and
    HAYNES INVESTMENTS, LLC; L.
    STEPHEN HAYNES,
    Defendants-Appellants.
    Appeal from the United States District Court
    for the Northern District of California
    William Horsley Orrick, District Judge, Presiding
    Argued and Submitted September 16, 2020
    San Francisco, California
    Filed September 16, 2021
    2                 BRICE V. HAYNES INVESTMENTS
    Before: William A. Fletcher, Danielle J. Forrest ∗, and
    Lawrence VanDyke, Circuit Judges.
    Opinion by Judge Forrest;
    Dissent by Judge W. Fletcher
    SUMMARY **
    Arbitration
    The panel reversed the district court’s order denying
    defendants’ motion to compel arbitration in a RICO action
    and remanded with instructions to stay the case and compel
    the parties to proceed with arbitration.
    Plaintiffs obtained short-term, high-interest loans from
    either Plain Green, LLC, or Great Plains Lending, LLC,
    which were owned by the Chippewa Cree Tribe of the Rocky
    Boy’s Indian Reservation and the Otoe-Missouri Tribe of
    Indians. These “Tribal Lenders’” standard loan contracts
    contained an agreement to arbitrate any dispute arising under
    the contract. The contracts also included a delegation
    provision requiring an arbitrator—not a court—to decide
    “any issue concerning the validity, enforceability, or scope
    of [the loan] agreement or [arbitration agreement].” The
    contracts stated that they were governed by tribal law and
    that an arbitrator must apply tribal law. Plaintiffs filed class-
    *
    Formerly known as Danielle J. Hunsaker.
    **
    This summary constitutes no part of the opinion of the court. It
    has been prepared by court staff for the convenience of the reader.
    BRICE V. HAYNES INVESTMENTS                   3
    action complaints against the Tribal Lenders and other
    defendants that they alleged were the owners and investors
    of Think Finance, LLC, which operated a payday loan
    enterprise via the Tribal Lenders.
    The district court denied defendants’ motion to compel
    arbitration on the ground that the arbitration agreement as a
    whole in each contract was unenforceable because it
    prospectively waived plaintiffs’ right to pursue federal
    statutory claims by requiring arbitrators to apply tribal law.
    The district court concluded that each delegation provision
    was unenforceable for the same reason.
    Following Rent-A-Center, West, Inc. v. Jackson, 
    56 U.S. 63
     (2010), and Brennan v. Opus Bank, 
    796 F.3d 1125
     (9th
    Cir. 2015), and disagreeing with other circuits, the panel
    concluded that, rather than asking first whether the
    arbitration agreement was enforceable as a whole, it must
    consider first the enforceability of the delegation provision
    specifically.    The panel concluded that the parties’
    delegation provision was enforceable because it did not
    preclude plaintiffs from arguing to an arbitrator that the
    arbitration agreement was unenforceable under the
    prospective-waiver doctrine and, therefore, this general
    enforceability issue must be decided by an arbitrator. The
    panel concluded that the contracts’ choice-of-law provisions
    were not to the contrary because they did not prevent
    plaintiffs’ from pursuing their prospective-waiver
    enforcement challenge in arbitration, which was the key to
    determining whether the delegation provision itself was a
    prospective waiver.
    Dissenting, Judge W. Fletcher wrote that the majority
    misunderstood the effect of the choice-of-law provisions in
    the agreements. He wrote that, under the choice-of-law
    4            BRICE V. HAYNES INVESTMENTS
    provisions, the arbitrator could apply only tribal law and a
    small and irrelevant subset of federal law. The prospective
    waivers of most federal law and all state law prevented the
    arbitrator from applying the law necessary to determine
    whether the delegation provisions and the arbitration
    agreements were valid. Judge W. Fletcher wrote that both
    the delegation provisions and the arbitration agreements
    therefore were invalid.
    COUNSEL
    Richard L. Scheff (argued) and David F. Herman,
    Armstrong Teasdale LLP, Philadelphia, Pennsylvania; Anna
    S. McLean and Jacqueline Simonovich, Sheppard Mullin
    Richter & Hampton LLP, San Francisco, California; for
    Defedants-Appellants.
    Matthew W.H. Wessler (argued), Gupta Wessler PLLC,
    Washington, D.C.; Kristi C. Kelly and Andrew J. Guzzo,
    Kelly Guzzo PLC, Fairfax, Virginia; Leonard A. Bennett,
    Craig C. Marchiando, and Elizabeth W. Hanes, Consumer
    Litigation Associates P.C., Newport News, Virginia; Anna
    C. Haac, Tycko & Zavareei LLP, Washington, D.C.; for
    Plaintiffs-Appellees.
    Patrick O. Daughtery, Van Ness Feldman LLP, Washington,
    D.C., for Amicus Curiae Native American Financial
    Services Association.
    BRICE V. HAYNES INVESTMENTS                     5
    OPINION
    FORREST, Circuit Judge:
    We must decide whether a provision allowing an
    arbitrator, instead of a court, to decide whether an arbitration
    agreement that is governed by something other than federal
    law is unenforceable because it requires the parties to
    prospectively waive their federal rights. Already confused?
    You’re not alone. Grappling with the Supreme Court’s
    decision in Rent-A-Center, West, Inc. v. Jackson, 
    561 U.S. 63
     (2010), we work our way through this brain twister and
    conclude that an agreement delegating to an arbitrator the
    gateway question of whether the underlying arbitration
    agreement is enforceable must be upheld unless that specific
    delegation provision is itself unenforceable. Because we
    conclude that the delegation provision in the contract at issue
    is not itself an invalid prospective waiver (while not
    resolving whether the arbitration agreement as a whole is a
    prospective waiver), we reverse the district court and remand
    with instructions to compel the parties to proceed with
    arbitration. In reaching our decision, we diverge from the
    decisions reached by several of our sister circuits.
    I. BACKGROUND
    Plaintiffs-appellees Kimetra Brice, Earl Browne, and Jill
    Novorot (Borrowers) obtained short-term, high-interest
    loans from either Plain Green, LLC (Plain Green) or Great
    Plains Lending, LLC (Great Plains Lending). The Chippewa
    Cree Tribe of the Rocky Boy’s Indian Reservation in
    Montana owns Plain Green; the Otoe-Missouria Tribe of
    Indians owns Great Plains Lending. Both lenders
    represented themselves as “tribal lending entities,” and we
    refer to them collectively herein as “Tribal Lenders.”
    6                BRICE V. HAYNES INVESTMENTS
    The Tribal Lenders’ standard loan contracts contain an
    agreement to arbitrate any dispute arising under the
    contract. 1 And each arbitration agreement includes a
    delegation provision requiring an arbitrator—not a court—
    to decide “any issue concerning the validity, enforceability,
    or scope of [the loan] agreement or [arbitration agreement].”
    The loan contracts also make several references to “Tribal
    Law.” For example, they state that the contracts “shall be
    governed by the laws of the tribe,” or “Tribal Law,” and that
    an arbitrator must “apply Tribal Law and the terms of this
    Agreement.”
    Borrowers took out payday loans from the Tribal
    Lenders that they now contend were illegal, and they filed
    class-action complaints against numerous entities, including
    the Tribal Lenders and Haynes Investments, LLC; Sequoia
    Capital Operations, LLC; and 7HBF No. 2, LTD
    (collectively, Investors). 2 Borrowers assert claims under the
    Racketeer Influenced and Corrupt Organizations Act
    (RICO), 
    18 U.S.C. § 1962
    (a)–(d), and California law. They
    allege that Investors are the owners and investors of Think
    Finance, LLC, which operated a payday loan enterprise via
    1
    The arbitration provisions in the various contracts are not identical,
    but the parties agree that the relevant provisions are materially similar—
    as did the district court.
    2
    This opinion references not only the defendants named in this case,
    Brice v. Plain Green, LLC, No. 19-15707, but also the defendants named
    in the companion case, Brice v. 7HBF No. 2, Ltd., No. 19-17477, which
    we resolve today via memorandum disposition for the reasons stated in
    this opinion. The parties argued Plain Green and 7HBF together at oral
    argument, and the cases involve the same borrowers and materially
    similar loan agreements. (The companion case 7HBF was itself
    consolidated with another similar appeal, Brice v. Sequoia Capital
    Operations LLC, No. 19-17414, but the Sequoia Defendants settled after
    oral argument and that appeal was dismissed).
    BRICE V. HAYNES INVESTMENTS                     7
    the Tribal Lenders that was “designed to evade state usury
    laws and make illegal high interest loans.” According to
    Borrowers, Investors financed and actively participated in
    the enterprise, rendering them liable for any underlying
    illegal conduct.
    Investors moved to compel arbitration, citing the
    arbitration agreements and delegation provisions in
    Borrowers’ various loan contracts. 3 The district court denied
    the motions, concluding the arbitration agreement as a whole
    in each contract is unenforceable because it prospectively
    waives Borrowers’ right to pursue federal statutory claims
    by requiring arbitrators to apply tribal law. The district court
    held that each delegation provision was unenforceable for
    the same reason. That is, the district court concluded that
    because tribal law governs the loan contracts and Borrowers
    cannot present in arbitration merits claims based on federal
    law, both the arbitration agreements as a whole and the
    “accompanying delegation clauses” are unenforceable
    prospective waivers. The district court did not analyze
    enforceability of the delegation provisions separate from the
    larger agreements to arbitrate. Several Investors appealed.
    II. DISCUSSION
    We review de novo the denial of a motion to compel
    arbitration and the validity of an arbitration clause.
    O’Connor v. Uber Techs., Inc., 
    904 F.3d 1087
    , 1093 (9th
    Cir. 2018); Cape Flattery Ltd. v. Titan Mar., LLC, 
    647 F.3d 914
    , 917 (9th Cir. 2011).
    3
    Investors made several motions; only the motion to compel
    arbitration is at issue here.
    8               BRICE V. HAYNES INVESTMENTS
    A. Order of Analysis
    1. The Parties’ Arguments 4
    The parties disagree on the proper order of analysis.
    Investors argue the court first must decide delegation—
    whether there is a clear and enforceable delegation provision
    that requires an arbitrator to decide whether the parties’
    arbitration agreement is enforceable. If the delegation
    provision is enforceable, Investors argue the court must stop
    there and not proceed to consider whether the arbitration
    agreement is also enforceable. That task, Investors assert, is
    for the arbitrator. Alternatively, Investors argue that the
    district court erroneously held the arbitration agreements
    were unenforceable by misapplying the prospective-waiver
    doctrine.
    Borrowers disagree. Like the district court, Borrowers
    believe the first question is enforceability of the arbitration
    agreement as a whole. If the entire arbitration agreement—
    delegation provision included—is unenforceable, Borrowers
    argue that the court need not apply the delegation provision.
    Accordingly, Borrowers assert that the district court properly
    considered and held that the parties’ arbitration agreement is
    unenforceable because it required them to prospectively
    waive their statutory rights.
    We agree with Investors that our focus first must be on
    the enforceability of the delegation provision specifically.
    And we conclude that, under recent decisions both from the
    4
    The Native American Financial Services Association (NAFSA)
    filed an amicus brief in support of Investors in both appeals. Because
    NAFSA declined to address the dispositive delegation provision issue—
    besides a single statement supporting Investors’ delegation arguments—
    we decline to address NAFSA’s additional points.
    BRICE V. HAYNES INVESTMENTS                   9
    Supreme Court and our court, the parties’ antecedent
    delegation provision is enforceable because it does not
    preclude Borrowers from arguing to an arbitrator that the
    arbitration agreement is unenforceable under the
    prospective-waiver doctrine and, therefore, this general
    enforceability issue must be decided by an arbitrator.
    2. Governing Law
    Under the Federal Arbitration Act (FAA), arbitration
    agreements are “valid, irrevocable, and enforceable, save
    upon such grounds as exist at law or in equity for the
    revocation of any contract.” 
    9 U.S.C. § 2
    . The FAA
    “establishes an equal-treatment principle.” Kindred Nursing
    Ctrs. Ltd. P’ship v. Clark, 
    137 S. Ct. 1421
    , 1426 (2017). “A
    court may invalidate an arbitration agreement based on
    generally applicable contract defenses like fraud or
    unconscionability, but not on legal rules that apply only to
    arbitration or that derive their meaning from the fact that an
    agreement to arbitrate is at issue.” 
    Id.
     (internal quotations
    and citation omitted).
    In considering a motion to compel arbitration, we
    generally decide two gateway issues: (1) whether the parties
    agreed to arbitrate and (2) “whether the agreement covers the
    dispute” at issue. Brennan v. Opus Bank, 
    796 F.3d 1125
    ,
    1130 (9th Cir. 2015). But the Supreme Court’s decision in
    Rent-A-Center established that parties can agree to arbitrate
    even these preliminary gateway questions—provided any
    such agreement is “clear and unmistakable.” 
    561 U.S. at
    69
    n.1. This is known as a delegation provision, which “is
    simply an additional, antecedent agreement the party seeking
    arbitration asks the federal court to enforce, and the FAA
    operates on this additional arbitration agreement just as it
    does on any other.” Henry Schein, Inc. v. Archer & White
    Sales, Inc., 
    139 S. Ct. 524
    , 529 (2019) (quoting Rent-A-
    10            BRICE V. HAYNES INVESTMENTS
    Center, 
    561 U.S. at 70
    ) (abrogating a judge-made exception
    to enforcing delegation clauses under the FAA).
    Where a delegation provision exists, courts first must
    focus on the enforceability of that specific provision, not the
    enforceability of the arbitration agreement as a whole. Rent-
    A-Center, 
    561 U.S. at 71
    ; Brennan, 796 F.3d at 1132. To do
    otherwise would render the delegation provision a nullity.
    Consider our decision in Brennan. There, as here, “three
    agreements—each nested inside the other—[wer]e relevant
    to our analysis”: (1) the Loan Agreement, (2) the Arbitration
    Agreement, and (3) the Delegation Provision. Brennan,
    796 F.3d at 1133. Thus, there were “multiple severable
    arbitration agreements.” Id.; Rent-A-Center, 
    561 U.S. at
    71–
    72 (noting “[a]s a matter of substantive federal arbitration
    law, an arbitration provision is severable from the remainder
    of the contract” (internal quotations and citation omitted)).
    And one of those severable agreements delegated deciding
    “gateway” issues—like enforceability—to an arbitrator.
    Thus, in Brennan, “[t]he arbitration clause at issue, as in
    Rent-A-Center, [wa]s the Delegation Provision because that
    [wa]s the arbitration agreement [Defendants] s[ought] to
    enforce.” 796 F.3d at 1133.
    Following Rent-A-Center and Brennan, Borrowers must
    show that the delegation provision is itself unenforceable.
    Rent-A-Center, 
    561 U.S. at
    72–74. Rent-A-Center
    contemplates that a delegation provision may be
    unenforceable for the same reason as the broader arbitration
    agreement. See 
    id.
     at 72–74. (“[H]ad [plaintiff] challenged
    the delegation provision by arguing that these common
    procedures as applied to the delegation provision rendered
    that provision unconscionable . . . . [plaintiff] would have
    had to argue that the limitation upon the number of
    depositions causes the arbitration of his claim that the
    BRICE V. HAYNES INVESTMENTS                           11
    Agreement is unenforceable to be unconscionable.”). But
    still we must consider the enforceability argument as applied
    to the specific agreement at issue—here, the delegation
    provision. See 
    id.
     We cannot merely mention that Borrowers
    challenge the delegation provision and proceed to analyze
    the enforceability of the entire arbitration agreement. 5
    B. Prospective-Waiver Doctrine
    With the order of analysis established, we consider the
    law governing Borrowers’ enforceability argument.
    Borrowers offer one reason why both the arbitration
    agreement and the delegation provision are unenforceable:
    prospective waiver. Under the prospective-waiver
    doctrine—a.k.a. “effective vindication”—an arbitration
    agreement that waives a party’s “right to pursue [federal]
    statutory remedies” is unenforceable. Am. Express Co. v.
    Italian Colors Rest., 
    570 U.S. 228
    , 235 (2013) (emphasis
    omitted); see also id. at 252 (Kagan, J., dissenting) (stating
    that “effective[ ]vindication . . . comes into play only when
    the FAA is alleged to conflict with another federal law”). 6
    5
    Although Investors assert Borrowers failed to adequately challenge
    the delegation clause before the district court, as required by Rent-A-
    Center, that argument fails under Smith v. Jem Grp, Inc., 
    737 F.3d 636
    ,
    640 (9th Cir. 2013), which explains that challenging the delegation
    provision in response to a motion to compel arbitration is enough. And
    that is exactly what Borrowers did.
    6
    The dissent contends that the federal prospective-waiver doctrine
    is not limited to federal remedies, but also applies to state-law remedies.
    Dissent at 44. The dissent also suggests that the prospective-waiver
    doctrine extends to constitutional and common-law rights, not just
    statutory rights. Id. at 45. Both propositions extend the prospective-
    waiver doctrine beyond the Supreme Court’s application. See, e.g.,
    Italian Colors, 570 U.S. at 236; id. at 252 (Kagan, J., dissenting) (“When
    a state rule allegedly conflicts with the FAA, we apply standard
    12               BRICE V. HAYNES INVESTMENTS
    In Italian Colors, the Supreme Court disparaged this
    doctrine as “originat[ing] as dictum” and noted that the
    Court has never used it to invalidate an arbitration
    agreement. Id. at 235 (majority opinion); see also id. at 246–
    47 (Kagan, J., dissenting). The Court also drew a distinction
    between agreements that make it more difficult to prove a
    statutory remedy and those that eliminate the right to pursue
    that remedy. Id. at 236 (majority opinion). Although the
    Court left open the possibility that agreements that make
    proving a statutory claim more difficult may be invalid based
    on prospective waiver, it implied that the doctrine’s primary
    focus is on those agreements that completely eliminate the
    right to pursue a statutory remedy. See id. Indeed, in a strong
    dissent, Justice Kagan challenged the majority’s narrow
    view of prospective waiver, asserting that this doctrine
    applies anytime “an arbitration agreement prevents the
    effective vindication of federal rights,” id. at 248 (Kagan, J.,
    dissenting), even if the agreement does not “explicitly bar[]
    a claim” but merely “operate[s] to do so,” id. at 242.
    1. Enforceability of the Delegation Provision
    In analyzing the enforceability of the delegation
    provision, we begin with the text of the parties’ agreements.
    The loan contracts, including the arbitration agreements,
    have evolved over several years (and lawsuits). Although the
    precise terms of each agreement vary, the parties and the
    district court agreed that they are materially the same.
    preemption principles . . . . Our effective-vindication rule comes into
    play only when the FAA is alleged to conflict with another federal
    law. . . . In that all-federal context, one law does not automatically bow
    to the other, and the effective-vindication rule serves as a way to
    reconcile any tension between them.”).
    BRICE V. HAYNES INVESTMENTS                         13
    Each arbitration agreement—a separate section within
    the loan contracts—begins with an invitation to opt out. It
    then provides that “any Dispute” between lender and
    borrower “will be resolved by Arbitration.” The arbitration
    agreement instructs: “Dispute is to be given its broadest
    possible meaning, and includes … all federal, state, or
    Tribal Law claims or demands . . . based on any legal or
    equitable theory….” The delegation provision at the heart of
    this case is part of the broad definition of “Dispute,” and
    states: “A Dispute includes any issue concerning the
    validity, enforceability, or scope of this Agreement or this
    Agreement to Arbitrate.” 7 The key provisions we ultimately
    find determinative state in full:
    The loan contracts also contain multiple choice-of-law
    provisions directing that the parties’ relationship “shall be
    governed by the laws of the tribe,” or “Tribal Law.” The
    contracts specify that “neither this agreement nor [the
    lender] is subject to the laws of any state of the United
    States.” However, certain federal laws are expressly
    referenced as governing the contract and “[the lender] may
    choose to voluntarily use certain federal laws as guidelines
    for the provision of services” even though “such voluntary
    7
    Borrowers do not dispute that the delegation provision indicates a
    “clear and unmistakable” intent to arbitrate gateway issues. See Rent-A-
    Center, 
    561 U.S. at
    68–69 (noting that similar terms demonstrated a clear
    and unmistakable intent to delegate arbitrability issues).
    14            BRICE V. HAYNES INVESTMENTS
    use does not represent acquiescence of [the tribe] to any
    federal law unless found expressly applicable.” On the plain
    language of these terms, federal law is not foreclosed in the
    same way state law is foreclosed. The arbitration agreement
    also specifies that tribal law is not the only source of
    authority by directing the arbitrator to “apply Tribal Law and
    the terms of this Agreement, including this Agreement to
    Arbitrate.”
    The arbitrator is limited to “award[ing] all remedies
    available under Tribal Law, whether at law or in equity,” and
    an “arbitration award . . . must be consistent with this
    Agreement and Tribal Law.” The loan contract clarifies that
    the selection of tribal law applies even if the arbitration is
    held on non-tribal land:
    [A]rbitration . . . under this Agreement may
    be conducted either on Tribal land or within
    thirty . . . miles of [borrower’s] current
    residence, at [borrower’s] choice, provided
    that this accommodation . . . shall not be
    construed in any way . . . to allow for the
    application of any law other than Tribal Law.
    In determining whether the delegation provision is
    unenforceable, we must decide whether this particular
    provision precludes Borrowers from presenting and having
    the arbitrator decide whether the arbitration agreement is
    unenforceable as a prospective waiver under the federal law.
    That is, does the delegation provision prohibit the arbitrator
    from considering disputes “concerning the . . .
    enforceability” of the arbitration agreement that are based on
    federal law? Under governing precedent, we conclude that
    the delegation provision is enforceable because it does not
    eliminate Borrowers’ right to pursue in arbitration their
    BRICE V. HAYNES INVESTMENTS                  15
    prospective-waiver challenge to the arbitration agreement as
    a whole, even though that challenge arises under federal law.
    See Italian Colors, 570 U.S. at 235. The plain language of
    the delegation provision does not foreclose the arbitrator
    from considering enforceability disputes based on federal
    law. The description of what an arbitrator can decide
    expressly includes enforceability disputes arising under
    “federal, state, or Tribal Law . . . based on any legal or
    equitable theory.” This necessarily means that Borrowers’
    rights to pursue their federal prospective-waiver argument
    remains intact at this stage of the proceedings and the
    delegation provision is not facially a prospective waiver.
    The choice-of-law provisions do not undermine this
    conclusion. As Borrowers themselves point out, the
    arbitration agreement—not the delegation provision—limits
    the arbitrator to “awarding remedies available under Tribal
    Law.” Unlike the definition of “Dispute,” the additional,
    antecedent delegation provision does not expressly
    incorporate this remedial limitation. Additionally, the plain
    meaning of the remedial limitation does not necessarily
    conflict with the delegation provision. Deciding whether an
    arbitration agreement is enforceable does not result in an
    “award”—unlike, for example, resolving a claim brought
    under RICO for which plaintiffs are seeking damages or
    some other remedy. That the scope of remedies awardable
    on a merits claim is limited to those remedies available under
    tribal law does not undermine the conclusion that Borrowers
    can present a contract enforceability argument based on
    federal law to the arbitrator where such is expressly provided
    for in the delegation provision.
    Nor do the choice-of-law provisions limit the arbitrator
    to considering only tribal law in resolving enforceability
    disputes. To begin, the instruction in the arbitration
    16            BRICE V. HAYNES INVESTMENTS
    agreement that “[t]he arbitrator shall apply Tribal Law and
    the terms of this Agreement” does not limit the arbitrator to
    considering only tribal law. If that sentence ended before
    “and,” perhaps it would foreclose the arbitrator from
    considering prospective waiver or other non-tribal-law
    grounds for unenforceability (assuming tribal law does not
    recognize prospective waiver and the Investors do not agree
    to application of this doctrine). But because the arbitrator
    also is instructed to apply “the terms of this Agreement” in
    deciding enforceability issues, and the parties’ arbitration
    agreement contemplates disputes arising under “federal,
    state, or Tribal Law . . . based on any legal or equitable
    theory,” the arbitrator is not clearly foreclosed from
    considering Borrowers’ prospective-waiver argument. Cf.
    Dillon v. BMO Harris, N.A., 
    856 F.3d 330
    , 333 (4th Cir.
    2017) (contract expressly provided “no other state or federal
    law or regulation shall apply to this Agreement, its
    enforcement or interpretation”). That is, again, the term of
    the arbitration agreement relevant here—the delegation
    provision—does not itself prevent Borrowers from raising
    an enforceability challenge based on federal law.
    While the choice-of-law provisions dictating that tribal
    law governs the parties’ relationship could be viewed as
    conflicting with the delegation provision’s plain meaning,
    they do not defeat its plainly stated mandate that the
    arbitrator decide enforceability issues from whatever source
    they arise. We do not dispute that the loan contract’s
    selection of tribal law as the governing authority may mean
    the arbitrator will ultimately decide she cannot consider an
    enforceability challenge to the arbitration agreement as a
    whole based on prospective waiver if tribal law does not
    recognize this doctrine. But that possibility does not prevent
    Borrowers from pursuing their prospective-waiver
    enforcement challenge in arbitration, which is the key in
    BRICE V. HAYNES INVESTMENTS                            17
    determining whether the delegation provision is itself a
    prospective waiver. Especially where the definition of
    “Dispute,” the operative term in the delegation provision—
    which, again, is an additional, antecedent agreement—
    includes “federal . . . claims based on any legal or equitable
    theory” and “includes any issue concerning the validity,
    enforceability, or scope of [the arbitration agreement].” At
    this preliminary stage in the proceedings, the risk that the
    arbitrator will decide the prospective-waiver doctrine has no
    application to the parties’ contract because it arises under
    federal law only “diminishes,” but does not “foreclose[],”
    Borrowers’ “opportunity to gain relief for a statutory
    violation.” Italian Colors, 570 U.S. at 244 (Kagan, J.,
    dissenting). This is not enough. 8
    8
    Indeed, where there “is uncertainty whether the foreign choice of
    law would preclude otherwise applicable federal substantive statutory
    remedies, the arbitrator should determine in the first instance whether the
    choice of law provision would deprive a party of those remedies.” Dillon,
    856 F.3d at 334 (citing Vimar Seguros y Reaseguros, S.A. v. M/V Sky
    Reefer, 
    515 U.S. 528
    , 540–41 (1995)); see also 14 Penn Plaza LLC v.
    Pyett, 
    556 U.S. 247
    , 274 (2009) (noting the Court hesitates “to invalidate
    arbitration agreements on the basis of speculation”); cf. Comedy Club,
    Inc. v. Improv W. Assocs., 
    553 F.3d 1277
    , 1284 (9th Cir. 2009) (“[A]ny
    doubts concerning the scope of arbitrable issues should be resolved in
    favor of arbitration.” (internal quotations and citation omitted)). In other
    words, “the prospective waiver issue would not become ripe for final
    determination until the federal court was asked to enforce the arbitrator’s
    decision.” Gibbs v. Haynes Invs., LLC, 
    967 F.3d 332
    , 340 (4th Cir.
    2020). Thus, even those circuits that the dissent contends we should line
    up behind might hesitate at this stage of the proceedings to decide that a
    delegation clause—properly considered as a separate and independent
    agreement—was invalid under the prospective-waiver doctrine where
    there is uncertainty as to whether the plaintiffs could pursue their federal
    remedies in arbitration. See also Aggarao v. MOL Ship Mgmt. Co.,
    
    675 F.3d 355
    , 371–73 (4th Cir. 2012).
    18             BRICE V. HAYNES INVESTMENTS
    The dissent disagrees, asserting that the choice-of-law
    provisions “categorically foreclose[]” Borrowers from
    obtaining relief on their federal claims.” Dissent at 47. But
    the dissent cites to no language in the arbitration agreement
    or delegation provision disavowing application of federal
    law generally, much less any language that would prevent
    the arbitrator from considering a “legal or equitable theory”
    regarding contract enforceability that arises under “federal
    law.” To be clear, the choice-of-law provisions do not state
    that only tribal law applies, or that the arbitrator cannot apply
    any law other than tribal law. While the contracts do clearly
    foreclose reliance on state law, the same is not true of federal
    law. We do not dispute (nor could we) that the contracts give
    tribal law preeminence, but contrary to the dissent’s
    assertion, there is nothing in the delegation provision or
    otherwise that forecloses the arbitrator from considering and
    applying the prospective-waiver doctrine in resolving the
    gateway question of whether the parties’ arbitration
    agreement is enforceable. The dissent apparently infers that
    because the contract states tribal law shall govern, all other
    law shall not. Indeed, that it shall not apply in any way
    whatsoever, whether as the source of a substantive right or a
    procedural, enforceability doctrine. Not even as the source
    of the enforceability doctrine designed to provide Borrowers
    relief from the very contractual discrepancy that the dissent
    discerns. This goes beyond an inferential leap; it interprets
    the contract to say something that it does not say.
    The closest the contracts come to the interpretation
    reached by the dissent is language in the loan agreement
    stating: “This Agreement and the Agreement to Arbitrate are
    governed by Tribal Law and such federal law as is applicable
    under the Indian Commerce Clause of the Constitution of the
    United States of America.” This provision less clearly
    delineates the arbitrator’s power than other, less limited
    BRICE V. HAYNES INVESTMENTS                   19
    provisions in the arbitration agreement. Yet, from this
    language the dissent reasons that the arbitrator is prohibited
    from considering a prospective-waiver challenge to
    enforceability of the arbitration agreement. How? The
    dissent cites the principle of “expressio unius est exclusio
    alterius,” reasoning that because one choice-of-law
    provision mentions the applicability of a limited segment of
    federal law, the arbitrator cannot consider any other federal
    law or federal-law-derived enforceability arguments, such as
    the prospective-waiver doctrine. But what is puzzling is the
    dissent reaches this conclusion even though the arbitration
    agreement authorizes an arbitrator to decide disputes “based
    on any legal or equitable theory . . . . includ[ing] any issue
    concerning the validity, enforceability, or scope of . . . [the
    arbitration agreement].” That stretches the Latin beyond
    reason. Indeed, if we were to apply the principle of “the
    expression of one thing implies the exclusion of others” to
    that same choice-of-law section, we would wonder what the
    specific, unequivocal prohibition against applying state law
    implies about the application of federal law.
    To be sure, to assume that the Tribal Lenders and
    Investors sought to avoid the application of federal law is not
    absurd given the nature of these loans and the history of these
    entities. But propriety and past behavior are not our focus
    when analyzing the delegation clause under the prospective-
    waiver doctrine. Our focus is on whether the contractual
    language forecloses, i.e., renders impossible, Borrowers’
    pursuit of their federal remedies—here by making it
    impossible for them to convince an arbitrator that the
    arbitration agreement as a whole is invalid because it
    required them to prospectively waive their federal rights.
    The delegation clause and arbitration agreement here, unlike
    some of the other agreements at issue in the cases discussed
    below, contain no such language. Thus, contrary to the
    20             BRICE V. HAYNES INVESTMENTS
    district court’s analysis, we first consider the validity of the
    delegation provision in its proper context as an additional,
    antecedent agreement, and conclude that it is not itself an
    unlawful prospective waiver because it does not prevent
    Borrowers from arguing that the arbitration agreement is
    unenforceable under the federal prospective-waiver
    doctrine. We cannot say what the arbitrator will make of that
    argument, but that uncertainty is not grounds for invalidating
    the parties’ agreement to arbitrate. See Mitsubishi Motors
    Corp., 473 U.S. at 637, n.19 (declining to invalidate
    arbitration agreement based on speculation of how arbitrator
    might apply a choice-of-law provision).
    2. Contrary Out-Of-Circuit Authority
    As noted above, we reach a different conclusion than
    some of our sister circuits. We now address the contrary out-
    of-circuit decisions and why we disagree with them. See
    Padilla-Ramirez v. Bible, 
    882 F.3d 826
    , 836 (9th Cir. 2017)
    (“As a general rule, we decline to create a circuit split unless
    there is a compelling reason to do so.” (citation and
    quotations omitted)).
    a. The Decisions
    i. Fourth Circuit
    In Hayes v. Delbert Services Corp., the Fourth Circuit
    refused to compel arbitration in a dispute between a tribal
    lender and borrowers. 
    811 F.3d 666
    , 676 (4th Cir. 2016).
    There, like here, the borrowers alleged the tribal lenders’
    high-interest rates violated various federal laws, and, in
    response, the servicing agent sought to enforce the
    arbitration agreement and compel arbitration. The agreement
    stated, in pertinent part, that the arbitrator will not apply “any
    law other than the law of the Cheyenne River Sioux Tribe of
    BRICE V. HAYNES INVESTMENTS                           21
    Indians to this Agreement.” Id. at 675. Although the
    agreement also included a provision delegating arbitrability
    questions to an arbitrator, id. at 671 n.1, the court declined
    to focus on that provision, concluding that “Hayes . . .
    challenged the validity of that delegation with sufficient
    force and specificity to occasion our review.” Id. And in the
    court’s review, it focused on the arbitration agreement as a
    whole, invalidating the entire agreement under the
    prospective-waiver doctrine—including, implicitly, the
    delegation provision. Id. at 675. Specifically, the court held
    the arbitration agreement invalid and unenforceable because
    it “flatly and categorically . . . . waive[d] all of a potential
    claimant’s federal rights.” Id. Indeed, the court condemned
    the contract in no uncertain terms: calling it a “brazen”
    attempt to “game the entire system.” Id. at 676.
    A year later, in Dillon, the Fourth Circuit again
    invalidated a tribal loan agreement under the prospective-
    waiver doctrine, concluding that the arbitration agreement
    was “an unambiguous attempt to apply tribal law to the
    exclusion of federal and state law.” 856 F.3d at 336.
    Comparing the Dillon agreement to the Hayes agreement,
    the court concluded the Dillon agreement was
    indistinguishable despite its different terms: “[t]he
    arbitration agreement in this case implicitly accomplishes
    what the [Hayes] Agreement explicitly stated, namely, that
    the arbitrator shall not allow for the application of any law
    other than tribal law.” Id. at 335. Although the Dillon
    agreement included a delegation clause, the Dillon court did
    not discuss it. 9
    9
    At oral argument before this court, counsel for Investors stated that
    one of the many Dillion loan agreements was the same as the agreements
    presently before us.
    22            BRICE V. HAYNES INVESTMENTS
    Rounding out the Fourth Circuit’s trifecta is Gibbs v.
    Haynes Investments, LLC, 
    967 F.3d 332
    , 339 (4th Cir. 2020),
    another tribal lending case. At first glance, Gibbs would
    appear to be more of the same—but it is worth discussing for
    two reasons: (1) the underlying loan agreements are identical
    to those in the present case and (2) the Fourth Circuit
    addressed the delegation clause more directly than it did in
    Hayes or Dillon. See 
    id.
     The Gibbs court noted first that it
    “must decide whether the delegation provision is
    unenforceable ‘upon such grounds as exist at law or in
    equity.’” Id. at 338 (quoting Minnieland Priv. Day Sch., Inc.
    v. Applied Underwriters Captive Risk Assurance Co., Inc.,
    
    867 F.3d 449
    , 455 (4th Cir. 2017)). After noting that “[i]n
    specifically challenging a delegation clause, a party may rely
    on the same arguments that it employs to contest the
    enforceability of other arbitration provisions,” the court
    concluded that “because the choice-of-law provisions
    contained in both the Plain Green and Great Plains
    arbitration agreements operate as prospective waivers, the
    delegation clauses (and therefore the arbitration agreements)
    are unenforceable.” 
    Id.
     at 338–41 (alteration in original).
    Although the Fourth Circuit framed the issue as one
    focused on the delegation clause specifically, its analytical
    spotlight shone on the arbitration agreement generally. See
    
    id.
     Like in Hayes and Dillon, the Gibbs court focused on
    terms in the arbitration agreement that the delegation clause
    did not reference or incorporate. And even though “[u]nlike
    in Hayes and Dillon, the Plain Green and Great Plains
    arbitration agreements do not explicitly preclude the
    application of federal law . . . . [the court concluded] the
    practical effect is the same because they do provide that
    tribal law preempts the application of any contrary law—
    including contrary federal law.” 
    Id.
     at 341–42 (emphasis
    omitted). In so concluding, the court discussed various terms
    BRICE V. HAYNES INVESTMENTS                    23
    in the arbitration agreement at length but did not mention the
    delegation clause again until its conclusion. Even then, the
    court did not discuss it in any detail but merely concluded,
    like the Hayes court, that prospective waiver rendered the
    entire arbitration agreement—including the specific
    delegation clause—unenforceable. 
    Id.
     at 343–45.
    ii. Third Circuit
    Just a week before Gibbs, the Third Circuit addressed its
    own tribal loan dispute in Williams v. Medley Opportunity
    Fund II, LP, 
    965 F.3d 229
    , 238 (3d Cir. 2020). Focusing first
    on the delegation clause, the Williams court concluded that
    the borrowers explicitly referenced the delegation clause in
    their opposition to the motion to compel, which raised a
    specific challenge enabling the court to “proceed to examine
    [p]laintiffs’ enforceability arguments.” Id. at 238. “Plaintiffs
    contend[ed] that the arbitration agreement, including the
    delegation clause, [was] unenforceable under the
    prospective waiver doctrine.” Id. Considering the terms of
    agreement—many of which are similar to those here—the
    Third Circuit concluded that “the plain language of the
    arbitration agreement and the loan agreement shows that
    only tribal-law claims may be brought in arbitration.” Id.
    at 239. Although the contract did not expressly forbid
    application of federal law or the assertion of federal claims,
    the court determined that “[b]ecause the arbitration
    agreement mandates that only tribal law applies in
    arbitration, federal law does not.” Id. at 240. “By limiting the
    claims available to borrowers to tribal-law claims,” the court
    continued, “the arbitration agreement . . . requires a
    borrower to prospectively waive claims based on any other
    law.” Id. at 241. In other words, “because the arbitration
    agreement [was] clear that only tribal-law claims are
    24           BRICE V. HAYNES INVESTMENTS
    available . . . that pronouncement is enough to show that
    federal-law claims are unavailable.” Id.
    Nearing its conclusion, the Williams court paused to
    provide—in a footnote—a bit more depth on why it
    concentrated on the entire arbitration agreement rather than
    the delegation clause:
    Even if we analyzed the delegation clause
    entirely separately, we would conclude it is
    unenforceable. As one district court in this
    Circuit explained, while the arbitration
    agreement         delegates       arbitrability
    determinations to the arbitrator, it also
    provides that the arbitrator can only apply
    tribal law, so “the arbitrator would be
    expressly forbidden from relying on any
    federal or state law, which means that the
    arbitrator could not ask whether the
    arbitration clause—and its complete
    exclusion of federal law—would violate the
    federal public policy against arbitration
    clauses that operate as a prospective waiver
    . . . . Quite possibly, the arbitrator would
    uphold the arbitration clause, because there
    would be no principle of federal law standing
    in the way. Enforcing the delegation clause
    would effectively allow [the lender] to
    subvert federal public policy and deny [the
    borrower] the effective vindication of her
    federal statutory rights before the arbitration
    of her claims even began.”
    Id. at 243 n.14 (alterations in original) (quoting Ryan v.
    Delbert Servs. Corp., No. 5:15-cv-05044, 2016 WL
    BRICE V. HAYNES INVESTMENTS                         25
    4702352, at *5 (E.D. Pa. Sept. 8, 2016)). Thus, the Williams
    court held the entire arbitration agreement was
    unenforceable under the doctrine of prospective waiver. 10 Id.
    iii. Second Circuit
    In Gingras v. Think Finance, Inc., 
    922 F.3d 112
    , 117 (2d
    Cir. 2019), the Second Circuit also considered an arbitration
    agreement in loan contracts involving tribal lenders. Indeed,
    that case involved the same tribal lending entity—Plain
    Green, LLC—as the present case and at least one of the
    former parties in this case—Sequoia. 
    Id. at 119
    . Like the
    Third Circuit in Williams, the Second Circuit first discussed
    the delegation clause. 
    Id.
     at 125–26. Although the court
    noted that the delegation clause appears to give an arbitrator
    “blanket authority” over disputes involving the validity,
    enforceability, and scope of the arbitration agreement, it
    nevertheless continued past that provision and analyzed the
    enforceability of the entire arbitration agreement:
    “[I]f a party challenges the validity under
    [9 U.S.C.] § 2 of the precise agreement to
    arbitrate at issue, the federal court must
    consider the challenge before ordering
    compliance with that agreement under § 4 [of
    the FAA].” Plaintiffs mount a convincing
    challenge to the arbitration clause itself.
    Their complaint alleges that “[t]he delegation
    provision of the Purported Arbitration
    Agreement is also fraudulent.” That specific
    attack on the delegation provision is
    sufficient to make the issue of arbitrability
    10
    Investors stated at oral argument that one of the agreements at
    issue in Williams was also the same as those presently before us.
    26            BRICE V. HAYNES INVESTMENTS
    one for a federal court. . . . [W]e properly
    consider it on appellate review.
    Id. at 126 (internal citations omitted).
    Considering the arbitration agreements in their entirety,
    the court concluded they were “unenforceable because they
    are designed to avoid federal and state consumer protection
    laws.” Id. at 127. The court further reasoned: “By applying
    tribal law only, arbitration for the Plain Green borrowers
    appears wholly to foreclose them from vindicating rights
    granted by federal and state law.” Id. In other words, the
    Gingras court applied the prospective-waiver doctrine to
    invalidate the entire arbitration agreement because “tribal
    law provides no guarantee that federal and state statutory
    rights could be pursued, much less vindicated.” 11 Id.
    b. Reason for Disagreement
    In our view, our sister circuits have conflated the analysis
    under Rent-A-Center. The out-of-circuit decisions
    considered prospective waiver in the context of the
    arbitration agreement as a whole—not as applied to the
    delegation provision. Put simply, those decisions go like
    this: the arbitration agreement includes a delegation
    provision, but the entire arbitration agreement is
    unenforceable, thus, the delegation provision is too. See,
    e.g., Williams, 965 F.3d at 243 (holding “[t]he prospective
    waiver of statutory rights renders the entire arbitration
    agreement (delegation clause included) unenforceable”).
    This approach conflicts with Rent-A-Center and our decision
    in Brennan. See Rent-A-Center, 
    561 U.S. at 70, 74
    ; Brennan,
    11
    Again, Investors stated at oral argument that the Gingras
    agreements are identical to those here.
    BRICE V. HAYNES INVESTMENTS                   27
    796 F.3d at 1132. Our sister circuits considered the wrong
    thing by “confus[ing] the question of who decides
    arbitrability with the separate question of who prevails on
    arbitrability.” Henry Schein, Inc., 
    139 S. Ct. at 531
    . The
    proper question is not whether the entire arbitration
    agreement constitutes prospective waiver, but whether the
    antecedent agreement delegating resolution of that question
    to the arbitrator constitutes prospective waiver.
    Although some of the out-of-circuit decisions properly
    tee up the question, none of them follow through. Take
    Gibbs: The Fourth Circuit began by noting that it must
    decide whether the delegation clause itself was
    unenforceable. 967 F.3d at 339. But in its analysis, it never
    mentions the text of the delegation clause, which is the same
    as that at issue in the present case. See id. at 340–45. The
    Gibbs court does not explain how the delegation clause—
    “the precise agreement to arbitrate at issue”—prospectively
    waived plaintiffs’ statutory rights. Rent-A-Center, 
    561 U.S. at 71
    . Instead, it concluded the choice-of-law and forum-
    selection provisions prospectively waived plaintiffs’
    statutory rights and that those terms rendered the entire
    arbitration agreement—severable delegation clause
    included—unenforceable. 
    Id.
     Left unexplained is why an
    arbitrator—charged with “applying tribal law and the terms
    of the Agreement”—would rely on choice-of-law and
    forum-selection terms to ignore a prospective-waiver
    challenge to the enforceability of the entire arbitration
    agreement where there is a delegation clause that expressly
    allows a plaintiff to assert all “federal claims . . . based on
    any legal or equitable theory,” including “any issue
    concerning [] validity [or] enforceability.”
    Trying to reconcile our sister circuits’ decisions with
    Rent-A-Center, we posit that they view a party’s “specific
    28            BRICE V. HAYNES INVESTMENTS
    challenge” to a delegation clause as a purely formal,
    procedural requirement. Perhaps in their view a party
    complies with Rent-A-Center if the party claims the
    delegation clause is unenforceable even if the arguments
    made go only to enforceability of the arbitration agreement
    as a whole. That is, so long as a party states the delegation
    clause is invalid, that is enough. We disagree. We read Rent-
    A-Center as requiring a substantive argument that the
    delegation provision in and of itself is unenforceable. A party
    challenging a delegation clause via contract-wide arguments
    must show how the claimed deficiencies as applied to the
    delegation clause render that specific agreement invalid. 
    Id. at 74
    . Such arguments are “of course . . . much more difficult
    . . . to sustain” than arguments applying the asserted
    contractual deficiency in the context of the claim potentially
    being arbitrated. 
    Id.
     But our focus is not on what would
    happen in arbitration but on who should decide what
    happens in arbitration and whether having an arbitrator
    decide enforceability prevents a plaintiff from arguing that it
    should not be compelled to arbitrate. While it may be
    confusing, this is a necessary distinction.
    Perhaps our sister circuits believe, as Borrowers
    certainly do, that whether these agreements prospectively
    waive Borrowers’ federal statutory rights is a foregone
    conclusion. We do not dispute that Borrowers have a
    reasonable argument that the arbitration agreement as
    written precludes them from asserting their RICO claims or
    other federal claims in arbitration. See Italian Colors,
    570 U.S. at 235 (explaining that a prospective-waiver
    argument is strongest when a contract eliminates the right to
    pursue a statutory remedy). And if that is true, the arbitration
    agreement is likely unenforceable as a prospective waiver.
    See id. But, when there is a clear delegation provision, that
    question is not for us—or anyone else wearing a black
    BRICE V. HAYNES INVESTMENTS                  29
    robe—to decide. Instead, it is for the arbitrator to decide so
    long as the delegation provision itself does not eliminate
    parties’ rights to purse their federal remedies. Refusing to
    allow an arbitrator to decide the question, even if we think
    the answer is obvious, runs counter to the Supreme Court’s
    clear instructions that “a court may not decide an
    arbitrability question that the parties have delegated to an
    arbitrator.” Henry Schein, Inc., 
    139 S. Ct. at
    529–30 (“A
    court has no business weighing the merits of the grievance
    because the agreement is to submit all grievances to
    arbitration, not merely those which the court will deem
    meritorious.” (internal quotations and citation omitted)). No
    matter the court’s view of the merits, no matter the
    inefficiency, no matter the time and money potentially
    saved. See 
    id.
     Instead, we “must respect the parties’ decision
    as embodied in the contract.” 
    Id. at 531
    .
    3. Practical Effects
    Finally, we note the practical effects of compelling
    arbitration. If Borrowers succeed in convincing an arbitrator
    that the arbitration agreement is unenforceable as a
    prospective waiver, Borrowers may return to federal court
    and assert their claims. If Borrowers’ prospective-waiver
    argument fails to convince the arbitrator because she
    concludes the agreement allows Borrowers to assert their
    federal claims, the obvious result is that Borrowers can bring
    their federal claims in arbitration and they did not
    prospectively waive anything. And if the arbitrator
    concludes she cannot consider a prospective-waiver
    challenge to enforceability of the arbitration agreement,
    Borrowers can return to court and argue the arbitrator
    exceeded her powers. See PowerAgent Inc. v. Elec. Data Sys.
    Corp., 
    358 F.3d 1187
    , 1193 (9th Cir. 2004) (describing the
    process for back-end review under the FAA). No matter
    30               BRICE V. HAYNES INVESTMENTS
    what, Borrowers will have the opportunity to assert their
    federal claims or show that the arbitration agreements
    “foreclosed” their ability to do so. Flowing logically from
    these alternatives—one of which must occur if this dispute
    continues—is our conclusion in this case: Borrowers cannot
    show the delegation clause itself prospectively waives their
    opportunity to pursue their federal rights. How could it
    where the worst-case scenario is that an arbitrator may
    prevent Borrowers from presenting their federal claims and,
    if so, Borrowers will have the opportunity to object to a court
    that the arbitrator exceeded her authority and ask that any
    award be vacated. 12 In such circumstances, compelling
    arbitration is consistent with congressional policy—strictly
    enforced by the Supreme Court—of placing arbitration
    agreements on equal footing with other contracts and
    “reversing centuries of judicial hostility to arbitration
    agreements.” Scherk v. Alberto-Culver Co., 
    417 U.S. 506
    ,
    510 (1974) (quoting H.R. Rep. No. 96, 68th Cong., 1st Sess.
    1, 2 (1924)).
    III. CONCLUSION
    Though courts may deem arbitration agreements
    distasteful or unjust in certain contexts, particularly where
    12
    We acknowledge that a federal court’s back-end review of
    arbitration awards is “both limited and highly deferential and an
    arbitration award may be vacated only if it is completely irrational or
    constitutes manifest disregard of the law.” PowerAgent Inc., 
    358 F.3d at 1193
     (internal quotations and citation omitted). At least one circuit,
    however, seems to recognize that whether an arbitrator erred in rejecting
    a prospective-waiver challenge is reviewable. See Gibbs, 967 F.3d at 340
    (“The prospective waiver issue would not become ripe for final
    determination until the federal court was asked to enforce the arbitrator’s
    decision.”); see also PacifiCare Health Sys., Inc. v. Book, 
    538 U.S. 401
    ,
    407 (2003).
    BRICE V. HAYNES INVESTMENTS                    31
    they limit consumer rights and remedies, both Congress and
    the Supreme Court have instructed us to respect agreements
    to arbitrate just as any other contractual agreement. Here,
    there can be no dispute that the parties agreed to arbitrate
    both their substantive disputes as well as any gateway
    questions regarding enforceability of their arbitration
    agreement. The latter agreement—the delegation
    provision—does not prevent Borrowers from challenging
    enforceability based on prospective waiver because that
    doctrine arises from federal law. Therefore, we conclude that
    the delegation provision is not itself invalid as a prospective
    waiver and that it is for an arbitrator, not the court, to decide
    whether the parties’ arbitration agreement is enforceable.
    REVERSED and REMANDED with instructions to
    stay the case and compel arbitration.
    W. FLETCHER, Circuit Judge, dissenting:
    Plaintiffs sued a number of defendants, alleging that they
    conspired to charge interest rates of over 400% per annum
    on internet “payday” loans, using a “rent-a-tribe” scheme in
    violation of the federal Racketeer Influenced and Corrupt
    Organizations Act (“RICO”) and of California usury and
    unjust enrichment laws. The payday loan agreements
    include agreements to arbitrate disputes related to the loan
    agreements. The arbitration agreements contain provisions
    that delegate to the arbitrator the task of determining the
    validity of the arbitration agreement. Two of the defendants
    moved to compel arbitration. The district court denied the
    motion to compel, and the two defendants appealed.
    There are two questions in this appeal. The first is
    whether the delegation provisions in the arbitration
    32             BRICE V. HAYNES INVESTMENTS
    agreements are valid. The second is whether the arbitration
    agreements as a whole are valid. Until now, every federal
    court but one has refused to compel arbitration in cases
    involving tribal internet payday loans. In that one case, the
    borrowers had failed to challenge the delegation provision.
    Splitting with all of our sister circuits that have addressed the
    question, my colleagues hold the delegation provisions
    valid. My colleagues do not reach the second question.
    My colleagues misunderstand the effect of the choice-of-
    law provisions in the agreements. Under the choice-of-law
    provisions, the arbitrator may apply only tribal law and a
    small and irrelevant subset of federal law. The prospective
    waivers of most federal law and all state law prevent the
    arbitrator from applying the law necessary to determine
    whether the delegation provisions and the arbitration
    agreements are valid. This renders both the delegation
    provisions and the arbitration agreements invalid.
    I strongly but respectfully dissent.
    I. Background
    A. “Payday” Loans
    “Payday” loans are “high-cost, small-dollar loans” made
    to low-income, low-credit borrowers with a “repayment
    system that involves the lender withdrawing funds directly
    from the borrower’s bank account.” Consumer Financial
    Regulation—CFPB’s Final Payday Lending Rule Deems It
    an “Unfair” and “Abusive” Practice to Make Payday Loans
    Without Determining Borrower Ability to Repay, 
    131 Harv. L. Rev. 1852
    , 1852 (2018). The loans are marketed to
    financially vulnerable consumers who typically cannot make
    timely payments on their loans. See CFPB Finalizes Rules
    to Stop Payday Debt Traps, CFPB (Oct. 5, 2017),
    BRICE V. HAYNES INVESTMENTS                 33
    https://www.consumerfinance.gov/about-us/newsroom/cfpb
    -finalizes-rule-stop-payday-debt-traps/. Borrowers often
    must choose among defaulting, re-borrowing, or skipping
    other financial obligations such as payments for housing,
    food, or medical care. 
    Id.
     Borrowers can be caught in a
    “long-term debt trap,” either “rolling over” their loan
    payments or refinancing their loans, incurring substantial
    new charges that often exceed the amount they receive in
    credit. 
    Id.
     (noting that 80% of loans are reborrowed within
    a month, typically around the time the loan is due or shortly
    thereafter).
    Most states regulate payday loans. These states protect
    their citizens from usurious payday lending either by
    prohibiting payday loans entirely or by capping annual
    interest rates and requiring installment repayment schedules.
    See Payday, Vehicle Title, and Certain High-Cost
    Installment Loans, 
    82 Fed. Reg. 54,472
    , 54,476 (Nov. 17,
    2017). In California, a lender generally may not charge more
    than 10% interest per annum on a loan. Cal. Const. Art. XV
    § 1. An interest rate above 10% is usurious and renders a
    loan agreement void. 
    Cal. Civ. Code § 1916-2
    ; Heald v.
    Friis-Hansen, 
    52 Cal. 2d 834
    , 838–39 (1959).
    Internet payday lenders have a history of noncompliance
    with state usury laws. They have used a variety of tactics to
    evade state laws, including “renting bank charters.”
    Consumer Fed’n of Am. and the U.S. Pub. Int. Rsch. Grp.,
    Rent-A-Bank Payday Lending: How Banks Help Payday
    Lenders Evade State Consumer Protections (Nov. 2001),
    https://consumerfed.org/pdfs/paydayreport.pdf. Beginning
    in 2005, federal regulators began cracking down on payday
    lenders’ “rent-a-bank” arrangements. Creola Johnson,
    America’s First Consumer Financial Watchdog Is on a
    Leash: Can the CFPB Use Its Authority to Declare Payday-
    34            BRICE V. HAYNES INVESTMENTS
    Loan Practices Unfair, Abusive, and Deceptive?, 
    61 Cath. U. L. Rev. 381
    , 399 n.116 (2012).
    In response, several internet payday lenders replaced
    banks with Indian tribes in so-called “rent-a-tribe”
    arrangements where tribal shell corporations, acting as fronts
    for non-Indian payday lenders, charge borrowers exorbitant
    interest rates. Id. at 399. The loan agreements for tribal
    internet payday lenders require that any dispute arising out
    of the agreement be decided by arbitration, and that the
    arbitrator decide the validity of the arbitration agreement.
    Until this appeal, every federal court but one dealing
    with tribal internet payday loans has refused to compel
    arbitration. See Gingras v. Think Finance, Inc., 
    922 F.3d 112
     (2d Cir. 2019) (Hall, Leval, Chin, JJ. (unanimous));
    Williams v. Medley Opportunity Fund II, LP, 
    965 F.3d 229
    (3d Cir. 2020) (Schwartz, Scirica, Cowen, JJ. (unanimous));
    Gibbs v. Haynes Invs., LLC, 
    967 F.3d 332
     (4th Cir. 2020)
    (Agee, Gregory, Motz, JJ. (unanimous)); Gibbs v. Sequoia
    Cap. Operations, LLC, 
    966 F.3d 286
     (4th Cir. 2020)
    (unanimous); Dillon v. BMO Harris Bank, N.A., 
    856 F.3d 330
     (4th Cir. 2017) (Keenan, Duncan, Thacker, JJ.
    (unanimous)); Hayes v. Delbert Servs. Corp., 
    811 F.3d 666
    (4th Cir. 2016) (Wilkinson, Keenan, Harris, JJ.,
    (unanimous)); Smith v. W. Sky Fin., 
    168 F. Supp. 3d 778
    (E.D. Pa. 2016); Hengle v. Asner, 
    433 F. Supp. 3d 825
     (E.D.
    Va. 2020); Titus v. ZestFinance, Inc., 
    2018 WL 5084844
    ,
    at *5 (W.D. Wash. Oct. 18, 2018), vacated on other grounds
    by Titus v. BlueChip Fin., 786 F. App’x 694 (9th Cir. 2019);
    Ryan v. Delbert Servs. Corp., 
    2016 WL 4702352
    , at *4 (E.D.
    Pa. Sept. 8, 2016); Rideout v. CashCall, Inc., 
    2018 WL 1220565
    , at *6 (D. Nev. Mar. 8, 2018); cf. Swiger v. Rosette,
    
    989 F.3d 501
     (6th Cir. 2021) (enforcing delegation provision
    because plaintiff failed to challenge it).
    BRICE V. HAYNES INVESTMENTS                  35
    B. This Litigation
    Named plaintiffs-appellees are Kimetra Brice, Earl
    Browne, and Jill Novorot (“Plaintiffs”). They are all
    residents of California. Using the internet in California, all
    three Plaintiffs obtained short-term, high-interest internet
    payday loans from Great Plains Lending (“Great Plains”), a
    corporation owned by the Otoe-Missouria Tribe, whose
    reservation is in Oklahoma. Plaintiff Browne also obtained
    such loans from Plain Green, a corporation owned by the
    Chippewa Cree Tribe, whose reservation is in Montana. The
    allegations in Plaintiffs’ complaint are assumed to be true.
    In brief, Plaintiffs allege as follows. Defendant Kenneth
    Rees owns a company called Think Finance. Think Finance
    entered into agreements with the Otoe-Missouria Tribe and
    the Chippewa Cree Tribe. Pursuant to the agreements, the
    tribes created corporations under tribal law, Great Plains and
    Plain Green, respectively. Think Finance provided each
    corporation with funds to originate the high-interest internet
    payday loans.        Think Finance controlled the terms,
    origination, and servicing of the loans.
    Defendant GPL Servicing, largely owned by defendant
    Victory Park Capital Advisors, raised capital for Think
    Finance from third-party investors.           Think Finance
    guaranteed investors a fixed-rate return of 18–20%.
    Defendant-appellant Haynes Investments is a private equity
    firm owned and controlled by individual defendant-
    appellant L. Stephen Haynes (collectively, the “Haynes
    defendants”). Haynes Investments provided capital to Think
    Finance for use by Plain Green. L. Stephen Haynes played
    a key role in finding a bank willing to process loan payments
    to Great Plains and Plain Green through an electronic system
    that allowed for direct access to the borrowers’ bank
    accounts.
    36            BRICE V. HAYNES INVESTMENTS
    With exceptions not relevant here, California’s usury law
    provides that interest rates may not exceed 10% per annum.
    Cal. Const. Art. 15, § 1; 
    Cal. Civ. Code §§ 1916-2
    , 1916-3.
    The interest rate on loans made to Plaintiffs by Great Plains
    and Plain Green far exceeded 10%. Interest rates on two of
    plaintiff Novorot’s loans from Great Plains were 441.38%
    and 448.67% per annum.
    Plaintiffs filed a putative class action in federal district
    court against a number of defendants, including those named
    in the brief narrative above. Their complaint alleged four
    counts of violating RICO, 
    18 U.S.C. § 1962
    , one count of
    violating California’s usury statute, 
    Cal. Civ. Code § 1916
    –
    2, and one count of unjust enrichment under California law.
    The two Haynes defendants moved to compel
    arbitration. No other defendant moved to compel arbitration.
    The district court denied the motion. The Haynes defendants
    appeal.
    II. Discussion
    A. Rent-A-Center
    Parties to an arbitration agreement may delegate to the
    arbitrator threshold determinations of the validity and scope
    of the arbitration agreement. Rent-A-Center, W., Inc. v.
    Jackson, 
    561 U.S. 63
    , 68–70 (2010) (validity); Henry
    Schein, Inc. v. Archer and White Sales, Inc., 
    139 S. Ct. 524
    ,
    528 (2019) (scope). If there is a delegation provision and the
    plaintiff seeks to avoid arbitration on the ground that the
    arbitration agreement is invalid, a plaintiff must specifically
    challenge the validity of the delegation provision, separate
    from and prior to any challenge to the arbitration agreement
    as a whole. Rent-A-Center, 
    561 U.S. at 72
    . A delegation
    provision may be held invalid for the same reason or reasons
    BRICE V. HAYNES INVESTMENTS                   37
    as the arbitration agreement. 
    Id. at 74
     (stating that if the
    plaintiff had challenged the delegation provision on the same
    ground as he challenged the arbitration agreement as a
    whole, the court would have considered the challenge);
    MacDonald v. CashCall, Inc., 
    883 F.3d 220
    , 226–27 (3d Cir.
    2018) (“In specifically challenging a delegation clause, a
    party may rely on the same arguments that it employs to
    contest the enforceability of other arbitration agreement
    provisions.”). Only if the delegation provision is invalid
    may a court determine for itself whether the entire arbitration
    agreement is also invalid. See Rent-A-Center, 
    561 U.S. at 71
    .
    It is possible to read the Supreme Court’s later decision
    in Schein as overruling Rent-A-Center. In Schein, the Court
    held that if an arbitration agreement contains a valid
    delegation provision, a court must permit the arbitrator to
    determine the scope of the arbitration agreement, even if the
    arguments in favor of arbitration are “wholly groundless.”
    
    139 S. Ct. at 528
    . Citing Rent-A-Center, 
    561 U.S. at
    69 n.1,
    the Court wrote:
    This Court has consistently held that parties
    may delegate         threshold    arbitrability
    questions to the arbitrator, so long as the
    parties’ agreement does so by “clear and
    unmistakable” evidence. To be sure, before
    referring a dispute to an arbitrator, the court
    determines whether a valid arbitration
    agreement exists. See 
    9 U.S.C. § 2
    . But if a
    valid agreement exists, and if the agreement
    delegates the arbitrability issue to an
    arbitrator, a court may not decide the
    arbitrability issue.
    38             BRICE V. HAYNES INVESTMENTS
    Schein, 
    139 S. Ct. at 530
     (emphasis added) (some citations
    omitted).
    Read on its own, the italicized language says that a court
    must first decide whether the arbitration agreement as a
    whole is valid. Only after determining that the arbitration
    agreement is valid may the court assess the validity of the
    delegation provision. So read, Schein reverses the sequence
    required by Rent-A-Center. Despite the clarity of the
    italicized language, I decline to so read Schein. If the Court
    had intended to overrule Rent-A-Center, it surely would have
    done so explicitly rather than citing the case and then
    overruling its core holding.
    B. Terms of the Agreements
    The loan and arbitration agreements at issue have
    materially similar language. The agreements at issue are so
    similar that the analysis below applies to all of them. I use
    the Great Plains agreement, signed by plaintiff Novorot, as
    an example. There are two agreements in the Great Plains
    agreement—a loan agreement and an arbitration agreement.
    The arbitration agreement contains a delegation provision.
    1. Definition of “Dispute” and Delegation Provision
    The arbitration agreement in the Great Plains agreement
    requires arbitration of any “dispute.” “Dispute” is defined
    broadly to include a controversies with claims based on
    federal or state law, in addition to controversies with claims
    based on tribal law:
    AGREEMENT TO ARBITRATE: You
    and we . . . agree that any Dispute (defined
    below) will be resolved by arbitration.
    BRICE V. HAYNES INVESTMENTS                   39
    WHAT ARBITRATION IS: “Arbitration”
    is having an independent third-party resolve
    a Dispute. A “Dispute” is any claim or
    controversy of any kind between you and us
    or otherwise involving this Agreement or the
    Loan. The term Dispute is to be given its
    broadest possible meaning and includes,
    without limitation, all federal, state or Tribal
    Law claims or demands (whether past,
    present, or future), based on any legal or
    equitable theory and regardless of the type of
    relief sought (i.e., money, injunctive relief, or
    declaratory relief). A Dispute includes any
    issue concerning the validity, enforceability,
    or scope of this Agreement or this Agreement
    to Arbitrate.
    (Bolded emphasis in original; italicized emphasis added.)
    The italicized last sentence of the second paragraph—the
    “delegation provision”—assigns to the arbitrator the task of
    resolving disputes about the validity of the arbitration
    agreement.
    2. Choice-of-Law Provisions
    Even though a “dispute” is defined as including claims
    based on federal and state law, five choice-of-law provisions
    in the loan and arbitration agreements preclude the
    arbitrator, when deciding a dispute, from applying most
    federal law and any state law. That is, a dissatisfied
    borrower may file (indeed, is quite likely to file) a complaint
    alleging that the lender has violated federal and/or state law.
    Such a complaint constitutes a “dispute,” and the arbitrator
    is assigned the task of deciding it. However, the choice-of-
    law provisions limit the law the arbitrator may apply. These
    40            BRICE V. HAYNES INVESTMENTS
    provisions authorize the arbitrator to apply tribal law and
    small subset of federal law, and preclude the arbitrator from
    applying most federal law and any state law.
    There are two choice-of-law provisions in the arbitration
    agreement. The most prominent provides:
    APPLICABLE LAW . . .                THIS
    AGREEMENT TO ARBITRATE SHALL
    BE GOVERNED BY TRIBAL LAW. The
    arbitrator shall apply Tribal Law and the
    terms of this Agreement, including this
    Agreement to Arbitrate and the waivers
    included herein.
    (Bolded emphasis in original.) Another, in the previous
    paragraph, provides: “The arbitrator has the ability to award
    all remedies available under Tribal Law, whether at law or
    in equity, to the prevailing party[.]”
    There are three choice-of-law provisions in the loan
    agreement. The first is on the first page of the loan
    agreement.     Under the heading “IMPORTANT
    DISCLOSURE,” it provides:
    YOU AGREE THAT THIS LOAN IS
    MADE    WITHIN   THE      TRIBE’S
    JURISDICTION AND IS SUBJECT TO
    AND GOVERNED BY TRIBAL LAW
    AND NOT THE LAW OF YOUR
    RESIDENT     STATE. . . .   YOUR
    RESIDENT STATE LAW MAY HAVE
    INTEREST RATE LIMITS AND OTHER
    CONSUMER            PROTECTION
    PROVISIONS THAT ARE MORE
    FAVORABLE. IF YOU WISH TO HAVE
    BRICE V. HAYNES INVESTMENTS                 41
    YOUR RESIDENT STATE LAW APPLY
    TO ANY LOAN THAT YOU TAKE OUT,
    YOU SHOULD CONSIDER TAKING A
    LOAN FROM A LICENSED LENDER IN
    YOUR STATE.
    (Bolded emphasis in original.)
    The second immediately precedes the agreement to
    arbitrate. It provides:
    GOVERNING               LAW;            NON-
    APPLICABILITY OF STATE LAW;
    INTERSTATE COMMERCE:                       This
    Agreement and the Agreement to Arbitrate
    are governed by Tribal Law and such federal
    law as is applicable under the Indian
    Commerce Clause of the Constitution of the
    United States of America. . . . Neither this
    Agreement nor the Lender is subject to the
    laws of any state of the United States. The
    Lender may choose to voluntarily use certain
    federal laws as guidelines for the provision of
    services. Such voluntary use does not
    represent acquiescence of the Otoe-
    Missouria Tribe to any federal law unless
    found expressly applicable to the operations
    of the Otoe-Missouria tribe.
    (Bolded emphasis in original.)
    The third is at the very end of the loan agreement. The
    borrower is asked to check a box:
    By checking here and signing below, you
    understand, acknowledge and agree that
    42            BRICE V. HAYNES INVESTMENTS
    . . . . this Loan is governed by the laws of
    the Otoe-Missouria Tribe and is not
    subject to the provisions or protections of
    the laws of your home state or any other
    state.
    (Bolded emphasis in original.)
    Each of the five choice-of-law provisions just quoted
    provides that tribal law is to be applied in resolving
    “disputes.” Three of them expressly preclude the application
    of state law. For example, as specified in the loan
    agreement, the lender is not “subject to the laws of any state
    of the United States.” But see Martyn v. Leslie, 
    137 Cal. App. 2d 41
    , 57 (Ct. App. 1955) (“[N]o borrower is estopped
    from asserting usury merely because he has knowingly met
    the usurious exactions of the lender.”).
    One of the choice-of-law provisions allows the
    application of two categories of federal law. The first is
    federal law that is “applicable under the Indian Commerce
    Clause.” Examples of such law include the Indian Gaming
    Regulatory Act, Pub. L. No. 100-497, 
    102 Stat. 2467
     (1988)
    (codified as amended at 
    25 U.S.C. §§ 2701
    –2721), at issue
    in Seminole Tribe of Florida v. Florida, 
    517 U.S. 44
     (1996),
    and the Indian Child Welfare Act, Pub. L. No. 95-608, 
    92 Stat. 3069
     (1978) (codified as amended at 
    25 U.S.C. §§ 1901
    –1963), at issue in Santa Clara Pueblo v. Martinez,
    
    436 U.S. 49
     (1978). The second is federal law to which the
    tribe voluntarily acquiesced, provided the law is “found
    expressly applicable to the operations of the Otoe-Missouria
    tribe.” A statute naming the Otoe-Missouria tribe in
    particular and controlling its operation would certainly be
    included. It is unclear how far beyond such a law this second
    BRICE V. HAYNES INVESTMENTS                  43
    category extends. However, for our purposes it does not
    matter.
    Two things about these references to federal law are
    important. First, under the principle of expressio unius est
    exclusio alterius (express mention of one item in a class
    excludes all others in the same class), the arbitrator is
    allowed to apply only federal law that comes within the two
    categories mentioned in the choice-of-law provision. The
    arbitrator is precluded from applying any other federal law.
    Second, whatever the scope of these two categories of
    federal law, the two federal statutes at issue in this appeal—
    the FAA and RICO—are not included.
    Consistent with the expressio unius principle, the
    Haynes defendants do not argue that the arbitrator may apply
    federal law outside these two categories. Rather, they argue
    that tribal law will provide effective remedies to borrowers.
    Without citing specific tribal laws, the Haynes defendants
    argue that it is a “clear and indisputable fact that both
    Chippewa Cree and Otoe-Missouria law do, in fact, provide
    Plaintiffs with remedies for their claims.” They argue,
    further, that “the only evidence of the Native American laws
    presented to the district court definitively showed that the
    Plaintiffs possess significant remedies under the Native
    American laws at issue here.” Notably, the Haynes
    defendants nowhere argue or even suggest that tribal law has
    incorporated the FAA or RICO, or that it contains their
    functional equivalents. See Gibbs, 967 F.3d at 344 (“[E]ven
    if the borrowers could assert a RICO claim against the
    Haynes Defendants under tribal law, the rest of the [Tribal]
    Ordinance fails to clarify how any consumer could
    meaningfully pursue any claims under it.”).
    44             BRICE V. HAYNES INVESTMENTS
    C. The FAA’s Prospective Waiver Rule
    It is established law under the FAA that an arbitration
    agreement prospectively waiving the right to seek federal or
    non-federal (including state) statutory remedies is invalid.
    The prospective waiver rule—or, as it is sometimes called,
    the effective vindication exception—was first articulated in
    Mitsubishi Motors v. Soler Chrysler-Plymouth, 
    473 U.S. 614
    (1985). Plaintiffs brought suit under the antitrust statutes of
    the United States and of Puerto Rico. 
    Id.
     at 619–20. The
    Court held that an arbitration agreement is enforceable “so
    long as the prospective litigant effectively may vindicate its
    statutory cause of action in the arbitral forum.” 
    Id. at 637
    .
    The Court elaborated in a footnote, writing in dictum that
    provisions in an arbitration agreement operating “as a
    prospective waiver of a party’s right to pursue statutory
    remedies for antitrust violations” would be struck down with
    “little hesitation . . . as against public policy.” 
    Id.
     at 637 n.19
    (emphasis added).
    In American Express v. Italian Colors Restaurant,
    
    570 U.S. 228
     (2013), the Court affirmed its earlier dictum.
    At issue was a class action waiver, which the Court upheld
    as not inconsistent with “effective vindication” under
    Mitsubishi. The Court characterized the prospective waiver
    rule as a “judge-made exception to the FAA.” Id. at 235.
    The Court wrote:
    [T]he exception finds its origin in the desire
    to prevent “prospective waiver of a party’s
    right to pursue statutory remedies,”
    Mitsubishi Motors, [473 U.S.] at 737, n.19
    (emphasis added). That would certainly
    cover a provision in an arbitration
    BRICE V. HAYNES INVESTMENTS                    45
    agreement forbidding the assertion of certain
    statutory rights.
    Id. at 236 (emphasis added).
    The plaintiff in American Express had contended that the
    cost of pursuing its case as an individual plaintiff was greater
    than the likely recovery, and that as a practical matter the
    class action waiver rendered the statutory remedy
    ineffective. The Court responded, “[T]he fact that it is not
    worth the expense involved in proving a statutory remedy
    does not constitute the elimination of the right to pursue that
    remedy.” Id. Thus, under American Express, if an
    arbitration agreement renders the vindication of a statutory
    right impracticable, the prospective waiver rule is not
    applicable. But if the arbitration agreement prevents a party
    from vindicating a statutory right by categorically
    eliminating the right to pursue it, the agreement is an invalid
    prospective waiver. Though the Court in Mitsubishi Motors
    and American Express was dealing with waivers of federal
    and non-federal statutory rights, the prospective waiver rule,
    by its logic, should apply to federal and non-federal
    constitutional and common law rights as well.
    D. Validity of the Delegation Provision and the Arbitration
    Agreement
    As required by Rent-A-Center, I first address the validity
    of the delegation provision. See 
    561 U.S. at 71, 74
    . I then
    address the validity of the arbitration agreement as a whole.
    For the reasons that follow, I conclude that both the
    delegation provision and the arbitration agreement are
    invalid.
    46            BRICE V. HAYNES INVESTMENTS
    1. Delegation Provision
    The delegation provision is a severable agreement that
    must be specifically challenged. Rent-A-Center, 
    561 U.S. at
    72–73 (declining to address the plaintiff’s argument that the
    arbitration agreement as a whole was unconscionable
    because the plaintiff failed to specifically challenge the
    validity of the delegation provision); Swiger, 989 F.3d at 507
    (the plaintiff’s failure to challenge the delegation provision
    specifically prevented court from “reaching the issues
    addressed in [other rent-a-tribe] cases, where the plaintiffs
    challenged their delegation clauses.”). As required by Rent-
    A-Center, Plaintiffs have specifically challenged the
    delegation provision, both in the district court and in our
    court.
    Under the choice-of-law provisions in the arbitration and
    loan agreements, Plaintiffs prospectively waived the
    application of most federal law and all state law. Absent the
    choice-of-law provisions, the arbitrator could apply the
    federal and state law necessary to determine the validity of
    the arbitration agreement. See 
    9 U.S.C. § 2
     (arbitration
    contracts are “valid, irrevocable, and enforceable, save upon
    such grounds as exist at law or in equity for the revocation
    of any contract”). Federal-law grounds include the FAA’s
    prospective waiver rule.        State-law grounds include
    generally applicable doctrines of fraud, duress, or
    unconscionability. AT&T Mobility LLC v. Concepcion,
    
    563 U.S. 333
    , 339 (2011). Without access to most federal
    law and any state law, the arbitrator is unable to apply any
    of these grounds. I need not reach any of the potentially
    applicable state-law grounds because I conclude the
    delegation provision is invalid under the federal prospective
    waiver rule of the FAA.
    BRICE V. HAYNES INVESTMENTS                   47
    By severely limiting the federal law the arbitrator may
    apply, the choice-of-law provisions prospectively waive the
    application of the FAA’s prospective waiver rule, in
    violation of Mitsubishi Motors and American Express. See
    Am. Express, 570 U.S. at 236 (“[The prospective waiver
    rule] would certainly cover a provision in an arbitration
    agreement forbidding the assertion of certain statutory
    rights.” (emphasis added). If the arbitrator were allowed to
    apply the FAA’s prospective waiver rule in determining the
    validity of the arbitration agreement, the arbitrator would ask
    whether the agreement impermissibly waives federal and
    state statutory rights. Those statutory rights include RICO,
    
    18 U.S.C. § 1962
     (prohibited activities), and § 1964 (civil
    remedies), and California’s anti-usury statute, 
    Cal. Civ. Code § 1916-2
     (maximum interest rate and remedies),
    § 1916-3 (civil liability). If non-statutory rights are also
    covered by the prospective waiver rule, state-law rights
    would include unjust enrichment under California law. See
    Ghirardo v. Antonioli, 
    924 P.2d 996
    , 1003 (Cal. 1996)
    (describing the unjust enrichment doctrine). Because the
    choice-of-law provisions prospectively waive the
    prospective waiver rule, the arbitrator cannot find the
    arbitration agreement invalid under either federal or state
    law. The arbitrator’s validity inquiry under the delegation
    provision is thus illusory, with the foreordained result that
    Plaintiffs will be required to arbitrate under an agreement
    that categorically forecloses relief on their federal and state
    claims.
    I therefore conclude under Mitsubishi Motors and
    American Express that because the arbitrator cannot apply
    the FAA’s prospective waiver rule in determining the
    validity of the arbitration agreement, the delegation
    provision is invalid.
    48            BRICE V. HAYNES INVESTMENTS
    2. Arbitration Agreement as a Whole
    Because the delegation provision is invalid, a court
    rather than the arbitrator determines the validity of the
    arbitration agreement as a whole. My colleagues do not
    reach this issue because they hold the delegation provision
    valid. Because I conclude that the delegation provision is
    invalid, I reach the issue. I conclude that the arbitration
    agreement as a whole is invalid.
    The FAA allows parties considerable freedom to
    structure arbitration agreements. However, as discussed
    above, an arbitration agreement may not operate as a
    prospective waiver, preventing plaintiffs from effectively
    vindicating their federal or state statutory rights. The choice-
    of-law provisions, as applied to the arbitration agreement,
    prospectively waive Plaintiffs’ rights under the federal
    RICO and the California usury statutes, as well as under
    California’s common law unjust enrichment doctrine.
    The choice-of-law provisions thus foreclose the
    application of relevant federal law and of any state law. The
    loan and arbitration agreements’ choice-of-law provisions
    prevent plaintiff Novorot from arguing that defendants
    committed federal RICO violations, see 
    18 U.S.C. § 1962
    (c)
    (forbidding a pattern of unlawful debt collection), 1964
    (remedies for violations); from challenging the loan’s
    usurious interest rate of 441.38% in violation of California
    Civil Code §§ 1916-2 (maximum interest rate and remedies),
    1916-3 (civil liability); and from claiming that unjust
    enrichment resulted from the usurious rate. This violates the
    prospective waiver rule, rendering the arbitration
    agreements invalid. See Am. Express, 570 U.S. at 236.
    BRICE V. HAYNES INVESTMENTS                  49
    E. The Majority Opinion
    My colleagues hold that the delegation provision is valid.
    The key to their holding is the paragraph that defines
    “dispute” and contains the delegation provision. My
    colleagues conclude that this paragraph authorizes the
    arbitrator to apply federal law. They write:
    The plain language of the delegation
    provision does not foreclose the arbitrator
    from considering enforceability disputes
    based on federal law. The description of
    what an arbitrator can decide expressly
    includes enforceability disputes arising under
    “federal, state, or Tribal law . . . based on any
    legal or equitable theory.” This necessarily
    means that Borrowers’ rights to pursue their
    federal prospective-waiver argument remains
    intact at this stage of the proceedings and the
    delegation provision is not facially a
    prospective waiver.
    Maj. Op. at 15 (emphasis in original).
    My colleagues misunderstand the paragraph. For the
    convenience of the reader, here it is again:
    “Arbitration” is having an independent third-
    party resolve a Dispute. A “Dispute” is any
    claim or controversy of any kind between you
    and us or otherwise involving this Agreement
    or the Loan. The term Dispute is to be given
    its broadest possible meaning and includes,
    without limitation, all federal, state or Tribal
    Law claims or demands (whether past,
    present, or future), based on any legal or
    50            BRICE V. HAYNES INVESTMENTS
    equitable theory and regardless of the type of
    relief sought (i.e., money, injunctive relief, or
    declaratory relief). A Dispute includes any
    issue concerning the validity, enforceability,
    or scope of this Agreement or this Agreement
    to Arbitrate.
    This paragraph is simultaneously a definitional provision
    (defining “arbitration” and “dispute”) and a forum selection
    clause (delegating to an arbitrator the task of deciding
    “disputes”). It is not a choice-of-law provision.
    My colleagues make a fundamental mistake, treating the
    paragraph as if it were a choice-of-law provision. It is true
    that the paragraph defines “dispute” broadly to include
    controversies based on federal and state claims. It does so
    because these are precisely the claims dissatisfied borrowers
    are most likely to bring when challenging the loan
    agreements. The defendants very much wanted such claims
    to be brought before an arbitrator rather than a court. But
    they did not want the claims to be decided under the federal
    or state law that would provide effective remedies. They
    therefore included choice-of-law provisions—five of them—
    in the arbitration and loan agreements, foreclosing the
    application of all but a small and irrelevant subset of federal
    law and entirely foreclosing the application of state law.
    In their central argument, my colleagues contend that the
    paragraph defining “dispute” and containing the delegation
    provision overrides the choice-of-law provisions. They
    conclude that because the paragraph defines “dispute” as
    including claims brought under federal law, the paragraph
    authorizes the arbitrator to apply federal law. They write:
    [W]e conclude that the delegation provision
    is enforceable because it does not eliminate
    BRICE V. HAYNES INVESTMENTS                  51
    Borrowers’ right to pursue in arbitration their
    prospective-waiver     challenge     to     the
    arbitration agreement as a whole, even
    though that challenge arises under federal
    law.
    Maj. Op. at 14–15 (second emphasis added). I strongly
    disagree. The paragraph defines “dispute” as including
    claims based on federal law, but it does not authorize the
    application of federal law. My colleagues write, further, that
    the choice-of-law provisions do not override the “mandate”
    of the paragraph that the arbitrator apply federal law:
    While the choice-of-law provisions dictating
    that tribal law governs the parties’
    relationship could be viewed as conflicting
    with the delegation provision’s plain
    meaning, they do not defeat its plainly stated
    mandate that the arbitrator decide
    arbitrability issues from whatever source they
    arise.
    Id. at 16. Again, I strongly disagree. The delegation
    provision is a “plainly stated mandate” that the arbitrator
    decide a “dispute,” defined as including claims under federal
    law. But the delegation provision is not a “mandate”—let
    alone a “plainly stated mandate”—that the arbitrator apply
    federal law.
    A simple example will illustrate my colleagues’
    fundamental mistake. Imagine an arbitration agreement
    between two parties. One party is French. The other is
    English.   The agreement defines a “dispute” as a
    disagreement between the parties arising out of a contract
    between them. One paragraph of the agreement defines
    52            BRICE V. HAYNES INVESTMENTS
    “dispute” as including claims based on any law, including
    French and English law, and specifies that any dispute is to
    be decided by an arbitrator. Another paragraph—the choice-
    of-law paragraph—specifies that the arbitrator is to use
    German law to decide any “dispute.” It is hornbook law that
    the arbitrator must apply German law, as directed by the
    choice-of-law paragraph, even if a party seeks to rely on
    French or English law.
    So it is here. The arbitration agreement defines “dispute”
    as including claims brought under federal or state law. But
    the choice-of-law provisions of the arbitration and loan
    agreements specify that the arbitrator is to apply tribal law,
    and a small and irrelevant subset of federal law, in deciding
    a “dispute.”
    In a fall-back argument, my colleagues misread the
    choice-of-law provision referring to federal law. They
    contend that the choice-of-law provisions, including this
    one, allow the arbitrator to apply the full range of federal
    law. As described above, the second choice-of-law
    provision in the loan agreement authorizes the arbitrator to
    apply two categories of federal law specific to Indians.
    Neither category includes the FAA or RICO. Under the
    venerable expressio unius interpretive principle, the
    arbitrator may apply only those two categories of federal
    law.
    In an attempt to avoid the force of the expressio unius
    principle, my colleagues quote language from the arbitration
    agreement. They write that “the arbitration agreement
    authorizes an arbitrator to decide disputes ‘based on any
    legal or equitable theory . . . includ[ing] any issue
    concerning the validity, enforceability, or scope of . . . [the
    arbitration agreement].’” Maj. Op. at 19 (emphasis and
    alterations in original). Therefore, according to my
    BRICE V. HAYNES INVESTMENTS                 53
    colleagues, an argument based on the expressio unius
    principle “stretches the Latin beyond reason.” The quoted
    language comes from the paragraph defining “dispute.” It
    does not come from a choice-of-law provision. It in no way
    suggests that the expressio unius principle does not apply to
    the choice-of-law provision that authorizes the arbitrator to
    apply two, and only two, categories of federal law.
    As noted above, the Hayes defendants do not agree with
    my colleagues, and have made no arguments that would
    support their conclusion. The Hayes defendants do not
    contend that the arbitrator may apply federal law outside the
    two specified categories of federal law. They contend,
    instead, that tribal law provides effective remedies to
    Plaintiffs.
    Conclusion
    Our sister circuits have consistently condemned the
    arbitration agreements embedded in tribal internet payday
    loan agreements, including those used by the very same
    lenders as in this case. See Think Finance, 
    922 F.3d 112
     (2d
    Cir. 2019). In the words of the Fourth Circuit, payday
    lenders use these agreements “to avoid state and federal law
    and to game the entire system.” Hayes, 811 F.3d at 676.
    Based on a reading of the arbitration agreement that even the
    payday lenders have not been willing to advance, my
    colleagues improperly force vulnerable borrowers into
    arbitration.
    I strongly but respectfully dissent.