Lunnon v. United States ( 2022 )


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  • Appellate Case: 21-2140       Document: 010110784562    Date Filed: 12/16/2022   Page: 1
    FILED
    United States Court of Appeals
    UNITED STATES COURT OF APPEALS                      Tenth Circuit
    FOR THE TENTH CIRCUIT                    December 16, 2022
    _________________________________
    Christopher M. Wolpert
    Clerk of Court
    MICHAEL E. LUNNON,
    Plaintiff Counter Defendant -
    Appellant,
    v.                                                         No. 21-2140
    (D.C. No. 1:16-CV-01152-MV-JFR)
    UNITED STATES OF AMERICA,                                   (D. N.M.)
    Defendant Counterclaimant -
    Appellee,
    and
    THE UPS STORE, INC.; T.W. LYONS,
    Defendants - Appellees.
    _________________________________
    ORDER AND JUDGMENT*
    _________________________________
    Before TYMKOVICH, PHILLIPS, and EID, Circuit Judges.
    _________________________________
    Michael E. Lunnon brought multiple claims against defendants arising from
    attempts by the Internal Revenue Service (“IRS”) to collect taxes Lunnon allegedly
    *
    After examining the briefs and appellate record, this panel has determined
    unanimously that oral argument would not materially assist in the determination of
    this appeal. See Fed. R. App. P. 34(a)(2); 10th Cir. R. 34.1(G). The case is therefore
    ordered submitted without oral argument. This order and judgment is not binding
    precedent, except under the doctrines of law of the case, res judicata, and collateral
    estoppel. It may be cited, however, for its persuasive value consistent with
    Fed. R. App. P. 32.1 and 10th Cir. R. 32.1.
    Appellate Case: 21-2140    Document: 010110784562        Date Filed: 12/16/2022    Page: 2
    owed for certain tax years. The United States filed counterclaims seeking to reduce
    to judgment Lunnon’s tax liabilities for other tax years. The district court entered
    judgment in favor of defendants on Lunnon’s claims and in favor of the United States
    on its counterclaims. Appearing pro se, Lunnon appeals. Exercising jurisdiction
    under 
    28 U.S.C. § 1291
    , we affirm the district court’s rulings but with one
    exception—we vacate the grant of summary judgment to the United States on
    Lunnon’s 
    28 U.S.C. § 6213
    (a) claim and remand to the district court with instructions
    to dismiss the § 6213(a) claim without prejudice for lack of jurisdiction based on
    sovereign immunity.
    I. Factual and procedural background
    LG Kendrick, LLC (“Kendrick”), was formed in 2009, and Lunnon is
    Kendrick’s sole member. Kendrick has a franchise agreement with The UPS Store,
    Inc. (“TUPSS”), and operates a UPS Store in New Mexico. In 2011, the IRS
    determined that Kendrick was Lunnon’s alter ego. In an effort to collect income
    taxes Lunnon allegedly owed for tax years 1998, 1999, and 2005, Revenue Officer
    T.W. Lyons issued a Notice of Federal Tax Lien to Kendrick as Lunnon’s alter ego.
    Lyons also sent a Notice of Levy on Wages, Salary, and Other Income (“Notice of
    Levy”) to TUPSS (then operating under the name Mail Boxes Etc., Inc.) requiring
    TUPSS to turn over to the IRS money TUPSS owed Kendrick as Lunnon’s alter ego.
    In 2015, Lyons sent TUPSS another Notice of Levy to Kendrick as Lunnon’s alter
    ego in an effort to collect taxes Lunnon owed for tax years 2006 through 2009. From
    2
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    2011 through February 2018, TUPSS continuously sent the IRS money (more than
    $65,000) TUPSS owed Kendrick.
    In 2016, Lunnon filed the pro se action underlying this appeal against the
    United States, Lyons, and TUPSS. Lunnon, who is not an attorney, initially listed
    himself and Kendrick as plaintiffs. However, in the operative amended complaint,
    and after the court informed him that he could not represent Kendrick, he listed only
    himself as plaintiff but alleged Kendrick had assigned to him all of its rights to the
    claims he asserted.1 The amended complaint asserted five claims. The first three
    claims were brought against the United States: (1) declaratory judgment regarding
    the alter-ego determination; (2) tax refund; and (3) damages for unauthorized
    collection. The fourth claim asserted that Lyons and TUPSS violated the Racketeer
    Influenced and Corrupt Organizations Act, 
    18 U.S.C. §§ 1961
    –1968 (“RICO”). And
    the “sixth” claim (there was no fifth claim) was for breach of contract against
    TUPSS. The United States filed counterclaims seeking to reduce to judgment income
    tax assessments against Lunnon for tax years 2006 through 2018 and 
    26 U.S.C. § 6672
     penalties (related to employment withholding taxes) for all four quarters of
    2010.
    In orders adopting a series of magistrate judge’s recommendations, the district
    court dismissed some claims, granted summary judgment to defendants on the
    remaining claims, and granted summary judgment to the United States on its
    1
    An attorney entered an appearance for Kendrick in July 2017 but withdrew in
    February 2018, before Lunnon filed the amended complaint in September 2018.
    3
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    counterclaims. Lunnon now challenges the district court’s rulings on claims one,
    two, and four, the court’s grant of summary judgment to the United States on its
    counterclaims, and the court’s denial of his motion to dismiss the counterclaims.
    II. Discussion
    A.    Claim one: Declaratory judgment
    In claim one, Lunnon sought a declaratory judgment against the United States
    that Kendrick was not Lunnon’s alter ego. The district court dismissed the claim for
    lack of jurisdiction pursuant to Fed. R. Civ. P. 12(b)(1) based on the Declaratory
    Judgment Act’s prohibition on declaratory judgments “with respect to Federal taxes,”
    
    28 U.S.C. § 2201
    (a) (“DJA”). We review a Rule 12(b)(1) dismissal de novo.
    Tompkins v. U.S. Dep’t of Veterans Affs., 
    16 F.4th 733
    , 741 (10th Cir. 2021). We
    construe Lunnon’s pro se filings liberally, but we may not act as his advocate. See
    Yang v. Archuleta, 
    525 F.3d 925
    , 927 n.1 (10th Cir. 2008).
    Relying on Green Solution Retail, Inc. v. United States, 
    855 F.3d 1111
    (10th Cir. 2017), Lunnon argues that the DJA’s prohibition on declaratory judgments
    “with respect to Federal taxes” extends no further than the Anti-Injunction Act’s
    prohibition on suits brought “for the purpose of restraining the assessment or
    collection of any tax,” 
    26 U.S.C. § 7421
    (a) (“AIA”). Although Lunnon correctly
    notes Green’s statement that the DJA and AIA are “coterminous,” 855 F.3d at 1115
    (internal quotation marks omitted), Green did not hold that the DJA’s prohibition was
    limited to suits attempting to restrain the assessment or collection of taxes. Instead,
    Green discussed the relationship between the AIA and the DJA only to point out that
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    the plaintiff could not “make an end-run around the AIA” by relying on the DJA
    because they both barred suits seeking to restrain tax assessment or collection. See
    id. at 1114–15. Significantly, Green went on to reaffirm an earlier Tenth Circuit
    holding “that the AIA applies ‘not only to the actual assessment or collection of a
    tax, but is equally applicable to activities leading up to, and culminating in, such
    assessment and collection.’” Id. at 1116 (quoting Lowrie v. United States, 
    824 F.2d 827
    , 830 (10th Cir. 1987)); see also 
    id.
     at 1117–20 (explaining why Lowrie’s holding
    is still good law). The IRS’s alter-ego determination here was such an activity, so it
    falls within the meaning of “with respect to Federal taxes” in the DJA even if the
    DJA prohibits nothing more than the AIA. The district court, therefore, properly
    dismissed claim one for lack of jurisdiction.
    B.    Claim two: Refund claim under 
    26 U.S.C. §§ 6213
    (a) and 6330
    In claim two, Lunnon sought an “automatic refund,” R., Vol. 1 at 176, of funds
    the IRS had collected from Kendrick under the 2011 levy. He advanced two theories:
    (1) the IRS had not sent him a notice of deficiency as required by 
    26 U.S.C. § 6213
    (a); and (2) the IRS had not sent him a notice of its intent to levy and his right
    to a collection due process hearing under 
    26 U.S.C. § 6330
    .
    In relevant part, § 6213(a) provides that a taxpayer may seek a refund of taxes
    collected without proper issuance of a notice of deficiency:
    Within 90 days . . . after the notice of deficiency authorized in section 6212
    is mailed . . . , the taxpayer may file a petition with the Tax Court for a
    redetermination of the deficiency. . . . [N]o assessment of a deficiency in
    respect of any tax imposed . . . and no levy or proceeding in court for its
    collection shall be made, begun, or prosecuted until such notice has been
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    mailed to the taxpayer, nor until the expiration of such 90-day . . . period,
    . . . nor, if a petition has been filed with the Tax Court, until the decision of
    the Tax Court has become final. Notwithstanding the provisions of section
    7421(a) [the AIA], the making of such assessment or the beginning of such
    proceeding or levy during the time such prohibition is in force may be
    enjoined by a proceeding in the proper court, including the Tax Court, and
    a refund may be ordered by such court of any amount collected within the
    period during which the Secretary is prohibited from collecting by levy or
    through a proceeding in court under the provisions of this subsection.
    The relevant part of § 6330 provides: “No levy may be made on any property
    or right to property of any person unless the Secretary has notified such person in
    writing of their right to a hearing under this section before such levy is made.”
    § 6330(a)(1).
    The United States moved to dismiss the § 6330 claim for lack of subject matter
    jurisdiction based on sovereign immunity. The district court granted that motion. In
    his recommendation, the magistrate judge determined that § 6213’s refund
    mechanism did not waive the United States’ sovereign immunity for a § 6330 claim.
    The magistrate judge also rejected Lunnon’s argument that his § 6330 claim could
    proceed under 
    28 U.S.C. § 1346
    (a)(1), which grants district courts original
    jurisdiction over civil actions to recover taxes erroneously or illegally assessed or
    collected. The magistrate judge concluded that for § 1346(a)(1) to waive sovereign
    immunity, Lunnon first had to exhaust his administrative remedies by filing a claim
    for a refund or credit, as required under 
    26 U.S.C. § 7422
    (a), and Lunnon had not
    alleged or shown he had done so. The district court adopted the recommendation
    over Lunnon’s objections.
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    The United States and Lunnon filed cross-motions for summary judgment on
    the § 6213(a) claim. The government advanced multiple theories in support of its
    motion, including that Lunnon could not proceed under § 6213(a) to recover levied
    funds belonging to Kendrick, Lunnon failed to exhaust by not filing an administrative
    refund claim per § 7422, and the IRS in fact sent the notices of deficiency. The
    district court denied Lunnon’s motion and granted the United States’ motion based
    solely on the last of the government’s theories, finding that the government had
    provided sufficient admissible and unrebutted evidence of the proper mailing of
    notices of deficiency for the tax years at issue.
    On appeal, the United States argues that because Kendrick is the proper
    plaintiff for claim two, Lunnon lacks Article III and prudential standing to assert
    Kendrick’s claims. We need not resolve this issue because we can affirm the district
    court’s dismissal of claim two based on a different jurisdictional ground—sovereign
    immunity. See Sinochem Int’l Co. v. Malaysia Int’l Shipping Corp., 
    549 U.S. 422
    ,
    431 (2007) (explaining that “a federal court has leeway to choose among threshold
    grounds for denying audience to a case on the merits” (internal quotation marks
    omitted)); FDIC v. Meyer, 
    510 U.S. 471
    , 475 (1994) (“Sovereign immunity is
    jurisdictional in nature.”). We first address the § 6330 claim, then proceed to the
    § 6213(a) claim.
    1. Section 6330 claim
    As noted, the district court resolved the § 6330 portion of claim two by
    dismissing it on the ground of sovereign immunity. “We review de novo the district
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    court’s dismissal based on sovereign immunity.” Mojsilovic v. Okla. ex rel. Bd. of
    Regents for Univ. of Okla., 
    841 F.3d 1129
    , 1131 (10th Cir. 2016). In his objections
    to the magistrate judge’s recommendation on the § 6330 claim, Lunnon’s sole
    argument was that the magistrate judge should not have considered the government’s
    § 7422(a) argument because it was raised for the first time in the government’s reply
    brief. Because Lunnon did not object to the magistrate judge’s sovereign immunity
    analysis, our firm waiver rule precludes appellate review unless Lunnon satisfies that
    rule’s interests-of-justice exception. See Morales-Fernandez v. INS, 
    418 F.3d 1116
    ,
    1119 (10th Cir. 2005) (discussing firm waiver rule and its exceptions).2 The
    interests-of-justice exception “is similar to reviewing for plain error.” 
    Id. at 1120
    .
    “Plain error occurs when there is (1) error, (2) that is plain, which (3) affects
    substantial rights, and which (4) seriously affects the fairness, integrity, or public
    reputation of judicial proceedings.” 
    Id.
     at 1122–23 (internal quotation marks
    omitted).
    We conclude Lunnon has not shown plain error. His merits argument centers
    on the phrase “provisions of law in that regard” in § 7422(a), which provides:
    No suit prior to filing claim for refund.--No suit or proceeding shall be
    maintained in any court for the recovery of any internal revenue tax alleged
    to have been erroneously or illegally assessed or collected, or of any
    penalty claimed to have been collected without authority, or of any sum
    alleged to have been excessive or in any manner wrongfully collected, until
    a claim for refund or credit has been duly filed with the Secretary,
    2
    The firm waiver rule also does not apply when a “a pro se litigant has not
    been informed of the time period for objecting and the consequences of failing to
    object.” Morales-Fernandez, 
    418 F.3d at 1119
    . But Lunnon received the required
    information in all the recommendations relevant to this appeal.
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    according to the provisions of law in that regard, and the regulations of the
    Secretary established in pursuance thereof.
    § 7422(a) (emphasis added). Lunnon contends that § 7422(a)’s exhaustion
    requirement does not apply to a refund claim based on a § 6330 violation because
    there are no “provisions of law in that regard,” § 7422(a), that specifically apply to a
    § 6330 refund claim. We may assume there are no such provisions, but Lunnon
    offers no authority supporting this novel argument. To the contrary, § 7422(a)’s
    exhaustion requirement is broadly stated, and nothing in § 7422(a) suggests an
    administrative refund claim is required only if there are “provisions of law”
    controlling the manner in which the specific type of refund claim at issue must be
    filed. Thus, it is not clear or obvious that the district court erred, so Lunnon has not
    shown plain error. See Morales-Fernandez, 
    418 F.3d at 1124
     (“[A]n error is ‘plain’
    if it is clear or obvious at the time of the appeal.”). We therefore affirm dismissal of
    the § 6330 claim.
    2. Section 6213(a) claim
    In the district court, the government did not squarely argue that sovereign
    immunity applies because Lunnon failed to exhaust his § 6213(a) claim as required
    by § 7422. And it does not do so on appeal. But no matter. We can “raise the
    sovereign immunity issue sua sponte.” Clymore v. United States, 
    415 F.3d 1113
    ,
    1118 n.6 (10th Cir. 2005).
    We may assume, without deciding, that if no notice of deficiency is sent to the
    taxpayer, § 6213(a) waives the United States’ sovereign immunity from a
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    “proceeding in the proper court” seeking a “refund . . . of any amount collected,”
    § 6213(a), and also vests the “proper court” with jurisdiction over a refund action, id.
    The question then is whether § 7422’s exhaustion requirement acts as a limitation on
    the § 6213(a) waiver of sovereign immunity. We conclude that it does. In Wyodak
    Resources Development Corp. v. United States, 
    637 F.3d 1127
    , 1135 (10th Cir.
    2011), this court explained that § 7422’s exhaustion requirement and § 1346’s grant
    of jurisdiction over civil actions seeking to recover taxes erroneously or illegally
    assessed or collected “work together to require that all tax refund claimants seeking
    relief in district court must first exhaust their administrative remedies with the
    Secretary of the Treasury,” and to hold otherwise “would create a class of claims
    over which district courts possessed jurisdiction regardless of exhaustion.” Given the
    breadth of § 7422, this logic is equally applicable to § 6213(a) refund claims.
    Because Lunnon did not file an administrative claim for a refund or credit, sovereign
    immunity deprived the district court of jurisdiction. We therefore vacate the grant of
    summary judgment to the United States on the § 6213(a) claim and remand to the
    district court with instructions to dismiss the § 6213(a) claim without prejudice for
    lack of jurisdiction based on sovereign immunity.
    C.    Claim four: RICO
    In claim four, Lunnon asserted a RICO scheme between TUPSS and Lyons,
    named in his individual capacity, to fraudulently divert to the IRS money TUPSS
    owed Kendrick. The district court dismissed the RICO claim for several alternative
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    reasons. We first discuss dismissal of the claim as to Lyons before turning to
    dismissal of the claim against TUPSS.
    1. RICO claim against Lyons
    Lyons and the United States moved jointly to dismiss the RICO claim (“Joint
    Motion”) under Rule 12(b) on multiple grounds. Lunnon responded and also moved
    to strike the Joint Motion. The magistrate judge recommended granting the motion to
    dismiss for several reasons, including sovereign immunity, and denying the motion to
    strike. The district court adopted the entirety of the recommendation. Exercising
    de novo review, see Tompkins, 16 F.4th at 741, we affirm based on sovereign
    immunity.
    In his recommendation, the magistrate judge concluded that because all of
    Lyons’s actions were taken in his official capacity as an IRS agent, the United States
    was the real party in interest and therefore the only proper government defendant on
    the RICO claim. The magistrate judge then determined that sovereign immunity
    barred the RICO claim against the United States.
    On appeal, Lunnon argues that under Hafer v. Melo, 
    502 U.S. 21
     (1991), it is
    not the capacity in which the injury is inflicted that controls the nature of the claim
    but the capacity in which a defendant is named, and here, Lunnon named Lyons in
    his individual capacity. Thus, he concludes, the district court erred in treating the
    RICO claim against Lyons as an official capacity claim, and therefore all the district
    court’s other reasons for dismissing the claim and denying his motion to strike
    necessarily fail. He also cites two statements in Stafford v. Briggs, 
    444 U.S. 527
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    (1980). The first is that “[a] suit for money damages which must be paid out of the
    pocket of the private individual who happens to be—or formerly was—employed by
    the Federal Government plainly is not one . . . against the United States.” 
    Id. at 542
    (internal quotation marks omitted). The second is that “[i]n deciding whether an
    action is in reality one against the Government, the identity of the named parties
    defendant is not controlling; the dispositive inquiry is ‘who will pay the judgment?’”
    
    Id.
     at 542 n.10. Lunnon argues that because he sought damages against Lyons
    individually, his RICO claim was not against the United States.
    Lunnon’s Hafer argument fails because Hafer involved § 1983 claims against
    a state official, and in Weaver v. United States, 
    98 F.3d 518
     (10th Cir. 1996), we
    rejected the same argument Lunnon advances here: “‘When an action is one against
    named individual defendants, but the acts complained of consist of actions taken by
    defendants in their official capacity as agents of the United States, the action is in
    fact one against the United States.’” 
    Id. at 520
     (emphasis and internal quotation
    marks omitted). Weaver further held that RICO did not expressly waive the United
    States’ sovereign immunity. 
    Id.
     at 520 & n.2. Lunnon’s reliance on Stafford’s “who
    will pay the judgment” rule is misplaced because he alleged TUPSS sent the money
    “to the IRS,” R., Vol. 1 at 181. Thus, if Lunnon was successful on his RICO claim,
    we are confident the United States would pay the judgment, not Lyons. For these
    reasons, we agree with the district court’s construction of the RICO claim as one
    against the United States, not Lyons in his individual capacity, and therefore
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    sovereign immunity applies. Consequently, we affirm the dismissal of the RICO
    claim against United States and the denial of Lunnon’s motion to strike.
    2. RICO claim against TUPSS
    In his recommendation on the Joint Motion, the magistrate judge determined
    that Kendrick was the proper plaintiff on the RICO claim based on allegations in the
    amended complaint that the RICO scheme fraudulently obtained Kendrick’s property,
    that Kendrick had been damaged, and that Kendrick sought treble damages. The
    magistrate then recommended the RICO claim be dismissed because Kendrick was
    not a party to the action and Lunnon could not represent Kendrick because he is not a
    licensed attorney. We conclude that, based on this rationale, on which the district
    court relied when adopting the recommendation, the order granting the Joint Motion
    also disposed of the RICO claim against TUPSS.3
    So construing the district court’s order granting the Joint Motion, we turn to
    the applicable portion of Lunnon’s appellate argument, which is that the district court
    erred in determining Kendrick had rights separate from Lunnon given the IRS’s
    finding that Kendrick was Lunnon’s alter ego. Lunnon did not challenge this
    determination in his objections to the recommendation on the Joint Motion.
    3
    Lunnon contends the district court did not dispose of the RICO claim against
    TUPSS until a later order granting TUPSS’s motion to dismiss. We reject this
    argument because the later order limited its analysis to the sixth claim, which
    asserted breach of contract against TUPSS, and in its final judgment the district court
    recounted that its order granting the Joint Motion “dismissed Count IV (RICO
    Violations by Defendants T.W. Lyons and TUPSS),” R., Vol. 2 at 817 n.1 (emphasis
    added).
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    Accordingly, our firm waiver rule bars consideration of his appellate argument unless
    he can show the district court plainly erred. See Morales-Fernandez, 
    418 F.3d at
    1119–20. We conclude Lunnon has not shown plain error.
    The IRS may satisfy a tax deficiency by imposing a lien on a delinquent
    taxpayer’s “‘property’” or “‘rights to property.’” Drye v. United States, 
    528 U.S. 49
    ,
    55 (1999) (quoting 
    26 U.S.C. § 6321
    ). Such property includes “property held by a
    third party if it is determined that the third party is holding the property as a nominee
    or alter ego of the delinquent taxpayer.” Spotts v. United States, 
    429 F.3d 248
    , 251
    (6th Cir. 2005). “In the case of a nominee lien, the IRS proceeds against an alter ego
    or nominee of a delinquent taxpayer for the purposes of satisfying the taxpayer’s
    obligations.” Macklin v. United States, 
    300 F.3d 814
    , 818 n.2 (7th Cir. 2002)
    (emphasis added) (internal quotation marks omitted).
    Against this tax-specific alter ego rubric stands 
    28 U.S.C. § 1654
     and judicial
    decisions applying § 1654 to representation of business entities in federal court.
    Section 1654 provides that “[i]n all courts of the United States the parties may plead
    and conduct their own cases personally or by counsel as, by the rules of such courts,
    respectively, are permitted to manage and conduct causes therein.” Thus, it has been
    the long-standing rule “that a corporation may appear in the federal courts only
    through licensed counsel,” and that “the rationale for that rule applies equally to all
    artificial entities.” Rowland v. Cal. Men’s Colony, 
    506 U.S. 194
    , 202 (1993). See
    also Harrison v. Wahatoyas, L.L.C., 
    253 F.3d 552
    , 556 (10th Cir. 2001) (“As a
    general matter, a corporation or other business entity can only appear in court
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    through an attorney and not through a non-attorney corporate officer appearing pro
    se.”); D.N.M.LR-Civ 83.7 (“A corporation, partnership or business entity other than a
    natural person must be represented by an attorney authorized to practice before this
    Court.”).
    Lunnon points to no authority for his proposition that when the IRS determines
    an LLC is an individual taxpayer’s alter ego for lien purposes, the LLC should be
    disregarded for all purposes, including when determining whether an LLC’s sole
    member has standing to assert a RICO claim alleging harm to the LLC or when
    applying federal law requiring business entities to appear in court only through
    licensed counsel. Lunnon relies on Walker v. THI of New Mexico at Hobbs Center
    for its acknowledgment that the effect of an alter-ego determination can be “to
    disregard the separate nature of a corporation” because “[l]iability based on an alter
    ego theory lies where the shareholders have so manipulated the corporation to further
    their own individual interests that the identity of the corporation has merged into its
    shareholders.” 
    801 F. Supp. 2d 1128
    , 1150 (D.N.M. 2011) (internal quotation marks
    omitted). But Lunnon overlooks Walker’s recognition that “[a]lter ego . . . is
    primarily used to establish liability,” and that “liability and [personal] jurisdiction are
    different inquiries that focus on different principles and frequently on different
    bodies of law.” 
    Id.
     Similarly, liability is a distinct inquiry from either standing or
    the entity-representation rule, which also focus on different legal principles and
    bodies of law. Thus, Walker does not show plain error in the district court’s
    disposition of the RICO claim against TUPSS.
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    Nor does the other case Lunnon relies on, Wellston, Oklahoma, Natural Gas
    Authority Bondholders v. Nesbitt (In re Eufaula Enterprises, Inc.), 
    565 F.2d 1157
    (10th Cir. 1977). That case concerned ownership of assets in a bankruptcy
    proceeding, not whether a member of an LLC deemed to be his alter ego has standing
    to assert the LLC’s claim or may represent the LLC in federal court. See 
    id. at 1161
    .
    Accordingly, Lunnon has not shown plain error in the district court’s determination
    that Kendrick was the proper plaintiff on the RICO claim against TUPSS and that
    Lunnon, who is not a licensed attorney, could not represent Kendrick on the RICO
    claim.
    Finally, we disagree with Lunnon that it was inconsistent for the district court
    to dismiss his claim for a declaratory judgment that Kendrick was not his alter ego
    and then treat Kendrick as a separate entity for purposes of this action. As discussed
    above, the DJA required the court to dismiss his declaratory judgment claim, and
    Lunnon has not shown the IRS’s alter-ego finding extends beyond the IRS’s efforts
    to collect delinquent taxes.
    D.       Counterclaims
    In its counterclaims, the United States sought to reduce to judgment unpaid
    federal income and employment taxes, with penalties and interest, totaling just over
    $1.2 million that Lunnon owed for tax years 2006 through 2018. Lunnon filed an
    answer and then moved to dismiss the counterclaims pursuant to Fed. R. Civ. P.
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    12(h)(3)4 for lack of jurisdiction or, alternatively, for judgment on the pleadings
    pursuant to Rule 12(c). He argued that the United States failed to meet certain
    statutory requirements. The United States moved for summary judgment on its
    counterclaims. The magistrate judge recommended denying Lunnon’s motion and
    granting the government’s motion. Lunnon filed objections. The district court
    overruled the objections in an order adopting the recommendation, denying Lunnon’s
    motion, and granting summary judgment to the government on its counterclaims.
    On appeal, Lunnon contests the denial of both his Rule 12(h)(3) motion and
    his Rule 12(c) motion. However, Lunnon may not challenge on appeal the denial of
    his Rule 12(c) motion (the post-pleading equivalent of a Rule 12(b)(6) motion)
    because the district court granted summary judgment to the United States on its
    counterclaims (the equivalent of prevailing at trial on the merits). See ClearOne
    Commc’ns, Inc. v. Biamp Sys., 
    653 F.3d 1163
    , 1172 (10th Cir. 2011) (explaining that
    when the plaintiff prevails at trial, the defendant may not “appeal from the pretrial
    denial of a Rule 12(b)(6) motion to dismiss”); Bennett v. Pippin, 
    74 F.3d 578
    , 585
    (5th Cir. 1996) (“When the plaintiff has prevailed after a full trial on the merits, a
    district court’s denial of a Rule 12(b)(6) dismissal becomes moot. The plaintiff has
    proved, not merely alleged, facts sufficient to support relief.”). We therefore do not
    consider Lunnon’s assertions that the district court erred in denying his Rule 12(c)
    4
    Rule 12(h)(3) provides: “If the court determines at any time that it lacks
    subject-matter jurisdiction, the court must dismiss the action.”
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    motion. But we will address his arguments concerning the denial of his
    Rule 12(h)(3) motion and the grant of summary judgment to the government.
    1. Denial of Lunnon’s Rule 12(h)(3) motion to dismiss counterclaims
    Lunnon argued the counterclaims should be dismissed for lack of jurisdiction
    based on 
    26 U.S.C. § 7401
    , which provides: “No civil action for the collection or
    recovery of taxes, or of any fine, penalty, or forfeiture, shall be commenced unless
    the Secretary authorizes or sanctions the proceedings and the Attorney General or his
    delegate directs that the action be commenced.” Lunnon asserted that because he
    denied the government’s allegation that the counterclaims were authorized under
    § 7401, the government had the burden to produce evidence to prove that allegation.
    The government responded that Lunnon had not provided any supporting evidence,
    so his argument was a facial attack and failed because when faced with a facial
    attack, a court must presume jurisdictional allegations are true. In reply, Lunnon
    reiterated that his was a factual attack on the allegation that authorization existed.
    The magistrate judge treated Lunnon’s argument as a facial challenge to the
    district court’s jurisdiction because Lunnon had argued only that the United States’
    mere allegation of § 7401 authorization was insufficient. The magistrate judge then
    rejected the argument based on the rule that when considering a facial attack, the
    court must accept the plaintiff’s allegations as true, see Pueblo of Jemez v. United
    States, 
    790 F.3d 1143
    , 1148 n.4 (10th Cir. 2015), and the government’s allegation
    was sufficient to show the authorizations § 7401 requires. However, because Lunnon
    also raised this issue in connection with the government’s motion for summary
    18
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    judgment, the magistrate judge considered two declarations the United States
    attached to its reply in support of its motion for summary judgment, one from an
    attorney in the IRS’s Office of Chief Counsel and one from an attorney with the
    DOJ’s Tax Division, stating that the proper authorizations were given prior to filing
    of the counterclaims. And the magistrate judge recommended granting summary
    judgment to the United States on this issue because there was “no evidence from
    which a reasonable jury could find that the United States has not satisfied the specific
    authorization required to proceed with its civil tax enforcement action.” R., Vol. 2
    at 715.
    Lunnon objected, arguing again that he had advanced a factual attack on
    the § 7401 allegation and that reliance on the government’s declarations was
    improper because they were not presented until the government’s reply brief. He
    also complained that the government’s declarations were insufficient to show
    authorization was given because they lacked any supporting documentation and, at
    best, raised a disputed fact issue requiring a hearing or trial. He added that the
    magistrate judge failed to meaningfully consider a document he submitted with his
    response to the motion for summary judgment—an internal IRS memorandum from
    2015 that Lyons authored. In that memorandum, Lyons requested approval to pursue
    a civil injunction against Lunnon and Kendrick, and the document is accompanied by
    two forms titled “Civil Suit Recommendation” (“Form 4477s”). Aplt. Suppl. R.,
    Vol. 2 at 6–25. Lunnon argued that the memorandum showed how authorization is
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    obtained, that it was the only document bearing on authorization, and that the fact it
    was unsigned showed no authorization was made.
    The district court overruled Lunnon’s objection and adopted the
    recommendation. The court concluded that the attack was a facial one and failed as
    such, but that it was proper to consider the government’s declarations because they
    were submitted in reply to an argument Lunnon raised in both his Rule 12(h)(3)
    motion and his response to the summary judgment motion. The district court adopted
    the magistrate judge’s recommendation that it grant summary judgment in favor of
    the government, finding that the internal memorandum and Form 4477s were
    irrelevant and that “the United States had provided the necessary proof of its
    authority in compliance with 
    26 U.S.C. § 7401
    .” R., Vol. 2 at 792.
    On appeal, Lunnon repeats the same arguments he made in the district court
    and tries to segregate the parties’ responses and replies to his motion to dismiss and
    to the government’s summary judgment motion, which were decided in the same
    recommendation and order. See Aplt. Reply Br. at 18 (arguing that the district court
    should have dismissed the counterclaims because “the government failed to produce
    even a shred of evidence of authorization within the dismissal motion proceeding”
    (emphasis added)). He also asserts that neither of the government’s declarants were
    disclosed as possible witnesses under Fed. R. Civ. P. 26(a) and he had an inadequate
    opportunity to address them.
    We may assume, without deciding, that § 7401 authorization is jurisdictional
    and that Lunnon’s attack was a factual one. But because Lunnon argued in his
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    Rule 12(h)(3) reply brief for consideration of documents he supplied in connection
    with opposing the motion for summary judgment, we reject his attempt to segregate
    materials submitted in the summary judgment briefing from materials submitted in
    the Rule 12(h)(3) briefing. So doing, we affirm the grant of summary judgment on
    the § 7401 issue because the government’s declarations demonstrate that it had the
    requisite authorization, and the internal memorandum and the Form 4477s do not call
    that authorization into question. As the district court observed, it appears the Form
    4477s (and, by extension, the memorandum they were attached to) concern some
    other potential civil action against Lunnon; the Form 4477s refer to a possible suit for
    a civil injunction, not for collection of unpaid taxes, which was the only relief the
    United States sought in its counterclaims. And there is nothing to explain whether
    the memorandum was ever submitted for approval, so the fact it or the attached forms
    are unsigned is not dispositive of whether § 7401 authorization was given. Finally,
    we agree with the government that Lunnon waived any Rule 26(a) challenge to use of
    the government’s declarations because he never presented the argument in the district
    court.
    2. Lunnon’s new § 6213(a) jurisdictional argument
    Lunnon mounts a new, nominally jurisdictional argument on appeal based on
    § 6213(a)’s requirement that a notice of deficiency must be sent to a taxpayer before
    21
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    commencement of a judicial proceeding to collect an assessed tax.5 He notes that
    “[a]t least one court,” United States v. Ball, 
    326 F.2d 898
    , 902–03 (4th Cir. 1964),
    “has held [§ 6213(a)’s notice requirement] to be jurisdictional.” Aplt. Opening Br.
    at 35. He concludes that because the United States never pled in its counterclaims
    that notices of deficiency were sent for any of the tax years at issue, the
    counterclaims were jurisdictionally barred.
    We may assume, without deciding, that § 6213(a)’s notice requirement is
    jurisdictional. Accordingly, Lunnon’s failure to properly present this argument to the
    district court is no bar to our review.6 See Tompkins, 16 F.4th at 735 n.1 (discussing
    “our duty to consider unargued obstacles to subject matter jurisdiction” (brackets and
    emphasis omitted)). But Lunnon points to no authority suggesting that to invoke a
    district court’s jurisdiction, the government must plead compliance with § 6213(a).
    Further, as a general rule, public officers are entitled to “the presumption of official
    regularity,” which is that “‘in the absence of clear evidence to the contrary, courts
    5
    In relevant part, § 6213(a) provides that
    no assessment of a deficiency in respect of any tax imposed by subtitle A
    [income taxes], or B [estate and gift taxes], chapter 41, 42, 43, or 44
    [miscellaneous excise taxes under subtitle D] and no levy or proceeding in
    court for its collection shall be made, begun, or prosecuted until such notice
    [of deficiency described in 
    26 U.S.C. § 6212
    ] has been mailed to the
    taxpayer.
    6
    The district court declined to address a similar argument (that § 6213(a)
    presumptively barred the counterclaims) because Lunnon did not sufficiently raise it
    until his objections to the Rule 12(h)(3) portion of the recommendation.
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    presume that [public officers] have properly discharged their official duties.’”
    United States v. Ahrens, 
    530 F.2d 781
    , 785 (8th Cir. 1976) (quoting United States v.
    Chem. Found., Inc., 
    272 U.S. 1
    , 14–15 (1926)). Applying the presumption here,
    Lunnon has provided no “clear evidence” that the notices of deficiency were not sent,
    which might call jurisdiction into question. He has only an assertion that the failure
    to plead that they were sent deprived the district court of jurisdiction. We therefore
    reject his argument.
    3. Grant of summary judgment on counterclaims
    Lunnon raises three arguments regarding the grant of summary judgment to the
    United States on its counterclaims. We address them in order.
    a. Constructive amendment
    In district court, Lunnon argued the summary judgment motion was an
    improper constructive amendment of the counterclaims because the counterclaim
    alleged only that “assessments [were] made (without any explanation for the
    amounts)” and “demand [was] being made for payment,” Aplt. Suppl. R., Vol. 1
    at 389, but the summary judgment motion “present[ed] issues that go far beyond
    those presented in the counterclaim,” id. at 390. In his recommendation, the
    magistrate judge rejected this argument. He explained that in the counterclaims, the
    United States pled that Lunnon had been assessed income taxes, penalties, interest,
    and statutory additions for tax years 2006 through 2018 and trust fund recovery
    penalties for Kendrick’s unpaid employment taxes for 2010. And in its summary
    judgment motion, the United States did “nothing more than support its factual
    23
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    position as to these allegations as provided for in Rule 56.” R., Vol. 2 at 716. Over
    Lunnon’s objections, the district court agreed with the magistrate judge.
    On appeal, Lunnon reiterates his position, but the only fault he attributes to the
    district court is that the court cited “no authority.” See Aplt. Opening Br. at 42–43.
    His position is meritless because the counterclaims set forth “a short and plain
    statement of the claim[s] showing that the pleader is entitled to relief,”
    Fed. R. Civ. P. 8(a)(2), and the summary judgment motion merely provided the
    necessary support. We therefore reject Lunnon’s argument for substantially the same
    reasons the magistrate judge and district court provided. See R., Vol. 2 at 715–17,
    800–01.
    b. Compliance with statutory conditions precedent
    Lunnon argues the district court erred in rejecting his arguments that the
    government’s motion for summary judgment on the counterclaims failed to show
    (1) all the necessary elements for imposition of the § 6672 penalties, including
    
    26 U.S.C. § 6751
    (b)’s approval requirement; and (2) any evidence supporting the
    income tax penalties, as required by 
    26 U.S.C. § 7491
    (c).7 He raised these arguments
    7
    Section 6672(a) provides:
    Any person required to collect, truthfully account for, and pay over any tax
    imposed by this title who willfully fails to collect such tax, or truthfully
    account for and pay over such tax, or willfully attempts in any manner to
    evade or defeat any such tax or the payment thereof, shall, in addition to
    other penalties provided by law, be liable to a penalty equal to the total
    24
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    as pleading deficiencies in his Rule 12(c) motion, but he incorporated his Rule 12(c)
    motion into his opposition to the motion for summary judgment and, rather
    succinctly, advanced these same arguments.
    The magistrate judge addressed and rejected these arguments as they related to
    both Lunnon’s Rule 12(c) motion and the government’s summary judgment motion.
    See R., Vol. 2 at 698–701 (Rule 12(c) motion); 
    id. at 709
    , 718–20 (summary
    judgment motion). But in his objections to the recommendation, Lunnon raised these
    issues only as relevant to his Rule 12(c) motion. See 
    id.
     at 738–39. Perhaps not
    unsurprisingly then, the district court considered these objections only in connection
    with adopting the magistrate judge’s recommendation that Lunnon’s motion to
    dismiss be denied. See 
    id.
     at 793–94, 799. Thus, the firm waiver rule applies, and
    the interests of justice do not require overlooking the waiver because the magistrate
    judge’s analysis is sound.
    amount of the tax evaded, or not collected, or not accounted for and paid
    over.
    Section 6751(b)(1) provides: “No penalty under this title shall be assessed
    unless the initial determination of such assessment is personally approved (in
    writing) by the immediate supervisor of the individual making such determination
    or such higher level official as the Secretary may designate.”
    Section 7491(c) provides: “Notwithstanding any other provision of this
    title, the Secretary shall have the burden of production in any court proceeding
    with respect to the liability of any individual for any penalty, addition to tax, or
    additional amount imposed by this title.”
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    c. Bankruptcy discharge
    Lunnon argues the district court ignored that the penalty assessments for tax
    years 2006–09 occurred in 2014, more than three years before Lunnon filed for
    bankruptcy, so they were considered discharged under Wilson v. United States
    (In re Wilson), 
    407 B.R. 405
    , 410 (B.A.P. 10th Cir. 2009). The magistrate judge
    rejected this argument, and Lunnon did not challenge the ruling in his objections.
    Thus, the firm waiver rule applies, and the interests of justice do not require
    overlooking the waiver because this argument is wholly without merit for the reasons
    the magistrate judge provided. See R., Vol. 2 at 722–23 (recommendation discussing
    record evidence showing abatements of penalties for the 2006 through 2009 tax years
    resulting from the discharge). Therefore, there is no merit to Lunnon’s contention
    that the United States’ “abatement claim is simply unsupported by the record,” Aplt.
    Reply Br. at 23. Moreover, his attempt to show no abatement occurred because the
    counterclaim alleged a lesser amount of income tax and penalties owed than did the
    summary judgment motion on the counterclaims, see 
    id.,
     is insufficiently developed
    to merit this court’s review. See Sawyers v. Norton, 
    962 F.3d 1270
    , 1286 (10th Cir.
    2020) (explaining that “arguments that are inadequately presented in an opening
    brief” are waived (internal quotation marks omitted)).
    III. Conclusion
    We vacate the grant of summary judgment to the United States on the
    § 6213(a) claim and remand to the district court with instructions to dismiss the
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    § 6213(a) claim without prejudice for lack of jurisdiction based on sovereign
    immunity. We otherwise affirm the district court’s judgment.
    Entered for the Court
    Timothy M. Tymkovich
    Circuit Judge
    27