Global NAPs, Inc. v. Massachusetts Department of Telecommunications & Energy ( 2005 )


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  •           United States Court of Appeals
    For the First Circuit
    Nos. 04-2313; 04-2334; 04-2397
    GLOBAL NAPS, INC.,
    Plaintiff, Appellee/Cross-Appellant,
    v.
    MASSACHUSETTS DEPARTMENT OF TELECOMMUNICATIONS AND ENERGY;
    PAUL B. VASINGTON, in his capacity as Commissioner; JAMES
    CONNELLY, in his capacity as Commissioner; W. ROBERT KEATING, in
    his capacity as Commissioner; DEIRDRE K. MANNING, in her capacity
    as Commissioner; EUGENE J. SULLIVAN, in his capacity as
    Commissioner; and VERIZON NEW ENGLAND, INC.,
    Defendants, Appellants/Cross-Appellees.
    APPEALS FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF MASSACHUSETTS
    [Hon. Mark L. Wolf, U.S. District Judge]
    Before
    Lynch and Howard, Circuit Judges,
    and Restani,* Judge.
    Daniel J. Hammond, Assistant Attorney General, with whom
    Thomas F. Reilly, Attorney General, was on brief, for Massachusetts
    Department of Telecommunications and Energy and Paul B. Vasington,
    James Connelly, W. Robert Keating, Deirdre K. Manning, and Eugene
    J. Sullivan, in their official capacities as Commissioners.
    *
    Chief Judge of the United States Court of International
    Trade, sitting by designation.
    Scott H. Angstreich, with whom Bruce P. Beausejour, Keefe B.
    Clemons, Sean A. Lev, and Kellogg, Huber, Hansen, Todd, Evans &
    Figel, P.L.L.C., were on brief, for Verizon New England, Inc.
    William J. Rooney, Jr., with whom Jeffrey C. Melick was on
    brief, for Global NAPs, Inc.
    October 18, 2005
    LYNCH, Circuit Judge.       This case raises a new issue of
    importance under the Telecommunications Act of 1996 (TCA), Pub. L.
    No.   104-104,   
    110 Stat. 56
       (codified   as   amended    in   scattered
    sections of 47 U.S.C.).        The question is whether the doctrine of
    issue preclusion applies so as to bind one state's commission to
    apply the findings and conclusions of another state's commission in
    disputes between the same parties about the interpretation of
    identical    contract     language     contained     in     different    state
    interconnection agreements.
    The district court concluded that the Full Faith and
    Credit Clause compelled application of the doctrine.                 Its order
    bound the Massachusetts Department of Telecommunications and Energy
    (DTE),   which   was   interpreting    a    Massachusetts     interconnection
    agreement between Global NAPs, Inc. (Global) and Verizon New
    England, Inc. (Verizon), to follow the earlier decision of the
    Rhode Island Public Utility Commission (RIPUC) as to the effect of
    a prior order by the Federal Communications Commission (FCC) on the
    parties' Rhode Island interconnection agreement.                 On de novo
    review, we reverse.     The district court's reasoning is contrary to
    the language of and policies behind the TCA.
    Underlying this legal issue is the question of whether
    Verizon owes an estimated $30 to $50 million in payments to Global
    as    "reciprocal   compensation"     for    calls   placed    by    Verizon's
    customers to Global's customers connected through an internet
    -2-
    service provider (ISP) in Massachusetts during the period from July
    24, 2000 to June 14, 2001.
    The DTE ruled on June 24, 2002 that Verizon did not owe
    the reciprocal compensation sought.             On Global's federal court
    challenge to the DTE order, the court vacated and remanded the DTE
    order, ruling that the DTE could not base its decision on an
    interpretation of the interconnection agreement that was contrary
    to the interpretation reached by the RIPUC on that point; its
    remand,     however,    also    allowed        that     differences      between
    Massachusetts   and    Rhode   Island    law    might    lead   the    DTE   to   a
    different    ultimate    outcome    as     to     payment       of    reciprocal
    compensation.   Global NAPs, Inc. v. Verizon New Eng., Inc. (Global
    NAPs II), 
    332 F. Supp. 2d 341
    , 374-75 (D. Mass. 2004).                Verizon and
    the DTE took this interlocutory appeal.           We reverse and remand to
    the district court for further proceedings consistent with this
    opinion.1
    I.
    The TCA was enacted to "promote competition and reduce
    regulation in order to secure lower prices and higher quality
    1
    This case raises different issues than those raised in
    Global NAPs, Inc. v. Verizon New England, Inc., 
    396 F.3d 16
     (1st
    Cir. 2005); that case revolved around the parties' attempts to
    negotiate a new interconnection agreement to replace the one at
    issue here. A separate district court case involving an earlier
    interconnection   agreement   between   Global  and   Verizon   is
    tangentially related for reasons that will become apparent below.
    See Global NAPs, Inc. v. New Eng. Tel. & Tel. Co. (Global NAPs I),
    
    226 F. Supp. 2d 279
     (D. Mass. 2002).
    -3-
    services for American telecommunications consumers."             110 Stat. at
    56.   One of the overriding aims of the TCA was to introduce
    competition into the market for local telephone service, which
    previously had been monopolized by state-regulated entities created
    after the break up of the American Telephone and Telegraph Company
    (AT&T).     See Verizon Commc'ns. Inc. v. FCC, 
    535 U.S. 467
    , 475-76
    (2002).   Under the TCA, incumbent local exchange carriers (ILECs)
    -- that is, the former local phone monopolies -- must allow
    competitive local exchange carriers (CLECs) to interconnect with
    their phone networks.        See 
    47 U.S.C. § 251
    (c).         Interconnection
    allows customers of CLECs to receive calls from, and place calls
    to, customers of ILECs.
    The TCA imposes a number of duties on local exchange
    carriers.      See    
    id.
       §§    251-52.    Most   important,   for   present
    purposes, is the duty of all local exchange carriers, whether
    incumbent or competitive, "to establish reciprocal compensation
    arrangements         for    the      transport      and     termination    of
    telecommunications."         Id. § 251(b)(5).        As between two local
    exchange carriers, a "reciprocal compensation arrangement" is "one
    in which each of the two carriers receives compensation from the
    other carrier for the transport and termination on each carrier's
    network facilities of telecommunications traffic that originates on
    the network facilities of the other carrier."             
    47 C.F.R. § 51.701
    .
    For example, generally when a customer of local exchange carrier A
    -4-
    calls a customer of local exchange carrier B -- so that B must
    complete the call -- A must share with B some of the revenues it
    receives    from    its    customer    to     compensate   B    for   use   of   its
    facilities.    See Ill. Bell Tel. Co. v. WorldCom Techs., Inc., 
    157 F.3d 500
    , 501 (7th Cir. 1998).                  The FCC has ruled that the
    reciprocal compensation obligations under § 251(b)(5) only extend
    to traffic that begins and terminates within a local area. See
    Local Competition Provisions in the Telecomms. Act of 1996, 11
    F.C.C.R.    15499,    16012-13,      16015-16    (1996)    (subsequent      history
    omitted); Pac. Bell v. Pac-West Telecomm Inc., 
    325 F.3d 1114
    , 1120
    (9th Cir. 2003).
    The    TCA    requires    ILECs    to   negotiate    interconnection
    agreements with CLECs to provide the terms of interconnection and
    "fulfill the duties" enumerated in § 251, including the duty to
    establish     reciprocal      compensation       arrangements.         
    47 U.S.C. § 251
    (c)(1).       These agreements can be concluded through voluntary
    negotiation or mediation, 
    id.
     § 252(a), or if these methods fail,
    through compulsory arbitration, id. § 252(b).                   Alternatively, a
    CLEC has the option of adopting one of the ILEC's interconnection
    agreements that had been previously approved within that state.
    Id. § 252(i).        Once the parties finalize their interconnection
    agreement, it must be submitted to the relevant state's commission
    for approval.      Id. § 252(e).
    -5-
    A long-running battle has ensued over whether ISP-bound
    traffic is "local telecommunications traffic" subject to reciprocal
    compensation within the meaning of the TCA.             See, e.g., Bell Atl.
    Tel. Cos. v. FCC, 
    206 F.3d 1
    , 2-3 (D.C. Cir. 2000).                  The debate
    centers around the question of whether ISP traffic "terminates" at
    an ISP when a user in one state dials into a local ISP and visits
    a website hosted on a server in another state.               The issue could be
    argued both ways.       One could consider such calls to terminate at
    the ISP, with communications between the ISP and the out-of-state
    website considered a separate transaction unrelated to the call.
    Alternatively, one might consider the call to have terminated in
    the   state    where   the    web   server   is   located.     See   
    id. at 5
    .
    Generally, CLECs like Global tend to have more ISP customers than
    do ILECs like Verizon. Since ISPs receive calls that are generally
    much longer than voice calls, and do not place calls of their own,
    carriers with more ISP customers will be net beneficiaries of a
    reciprocal compensation scheme that includes ISP traffic.                  CLECs
    and ILECs, then, have opposing interests.             See 
    id. at 3
    .
    In 1998, Global and Verizon began negotiations for an
    interconnection agreement in Rhode Island.            Global NAPs II, 
    332 F. Supp. 2d at 350
    .             Rather than submitting their dispute over
    reciprocal compensation for ISP traffic to arbitration, Verizon and
    Global agreed to the following compromise provision, § 5.7.2.3, the
    language of which is at the heart of the present dispute:
    -6-
    The Parties . . . disagree as to whether . . . "ISP
    Traffic" . . . constitutes Local Traffic as defined
    herein, and the charges to be assessed in connection with
    such traffic.      The issue of whether such traffic
    constitutes    Local   Traffic    on   which   reciprocal
    compensation mus[t] be paid pursuant to the [TCA] is
    presently before the FCC in CCB/CPD 97-30 and may be
    before a court of competent jurisdiction. The Parties
    agree that the decision of the FCC in that proceeding, or
    [of] such court, shall determine whether such traffic is
    Local Traffic (as defined herein) and the charges to be
    assessed in connection with ISP Traffic. If the FCC or
    such court determines that ISP Traffic is Local Traffic,
    as defined herein, or otherwise determines that ISP
    Traffic is subject to reciprocal compensation, it shall
    be compensated as Local Traffic under this Agreement
    unless another compensation scheme is required under such
    FCC or court determination.     Until resolution of this
    issue, [Verizon] agrees to pay GNAPS Reciprocal
    Compensation for ISP traffic . . . . (emphasis added)
    Contemporaneous   interconnection   agreements   between   Global   and
    Verizon in New York, Maine, New Hampshire, and Vermont contained an
    identical provision.   The Massachusetts interconnection agreement
    in effect between the parties at this time did not contain this
    provision.
    On February 26, 1999, the FCC issued its ruling in Docket
    No. CCB/CPD 97-30, the proceeding specifically referred to in
    § 5.7.2.3.2   In this decision, the FCC concluded that ISP-bound
    traffic is "largely interstate" and thus did not fall under the
    reciprocal compensation duties imposed by 
    47 U.S.C. § 251
    .      Local
    Competition Provisions in the Telecomms. Act (Internet Traffic
    Order), 14 F.C.C.R. 3689, 3705-06 (1999).    The FCC suggested that
    2
    The FCC consolidated Docket No. CCB/CPD 97-30 into Docket
    No. 96-98. Global NAPs II, 
    332 F. Supp. 2d at 350-51
    .
    -7-
    its decision "might cause some state commissions to re-examine"
    their decisions "to the extent that [they] are based on a finding
    that [ISP] traffic terminates at an ISP server."              Id. at 3706.   But
    the FCC also stated that it did not intend to "preclude[] state
    commissions from determining, pursuant to contractual principles or
    other    legal     or   equitable        considerations,      that    reciprocal
    compensation is an appropriate interim inter-carrier compensation
    rule" pending final rulemaking by the FCC on such compensation for
    ISP-traffic.      Id.
    Soon after the FCC issued the Internet Traffic Order,
    Verizon stopped making reciprocal compensation payments to Global
    under    the    Rhode   Island    interconnection      agreement      and   other
    agreements containing § 5.7.2.3. Global filed a complaint with the
    RIPUC under the Rhode Island agreement, contending that it was
    entitled to continued payments because the condition for non-
    payment -- "resolution of [the] issue" -- had not been met: it
    argued    that    the   Internet    Traffic    Order    had    left    to   state
    commissions       the   ability     to     determine    whether       reciprocal
    compensation payments were required under "contractual principles
    or other legal or equitable considerations." Verizon argued to the
    contrary: that the FCC had effectively resolved the issue in
    deciding that ISP traffic was non-local interstate traffic not
    subject to the reciprocal compensation duties imposed by 
    47 U.S.C. § 251
    .    The RIPUC agreed with Global and found that the Internet
    -8-
    Traffic Order did not resolve the issue of whether "ISP Traffic
    constitutes 'local traffic' for which reciprocal compensation must
    be paid under the [interconnection agreement]."          It relied in part
    on a prior order in which it had held that "in the absence of a
    federal rule establishing an appropriate interstate mechanism," it
    had   "the    authority   to   resolve   disputes   concerning      reciprocal
    compensation provisions contained in [interconnection agreements]."
    It appears that at the time, the RIPUC had not yet come to any
    conclusion     on   "whether   ISP   Traffic   is   subject    to   reciprocal
    compensation"; it had only just "opened a general inquiry into the
    issue."      The RIPUC remarkably concluded "the undisputed fact that
    [Global] has filed a complaint against [Verizon] . . . creates a
    presumption that the 'issue' has not been resolved." Since Verizon
    could not rebut this presumption, RIPUC found that § 5.7.2.3
    "clearly and unambiguously requires [Verizon] to make reciprocal
    payments to [Global]."         Verizon did not contest this ruling, and
    resumed reciprocal compensation payments to Global for ISP traffic
    in Rhode Island.
    Meanwhile, in Massachusetts, the story developed quite
    differently.        Global NAPs and Verizon's first interconnection
    agreement in Massachusetts was signed in 1997.3               Global NAPs II,
    
    332 F. Supp. 2d at 350
    .         In October 1998, the DTE ruled that FCC
    3
    In Global NAPs I, the court dealt with the issue of
    reciprocal compensation under this earlier agreement. 
    226 F. Supp. 2d at 289-90
    .
    -9-
    precedent bound it to conclude that ISP traffic was subject to
    reciprocal compensation.        
    Id.
         But after the FCC issued its
    Internet    Traffic   Order,   the    DTE    revisited      its    October   1998
    decision.   In May 1999, the DTE held that as of February 26, 1999,
    the date of the Internet Traffic Order, local exchange carriers in
    Massachusetts     were   no    longer       required   to     pay     reciprocal
    compensation for ISP-bound traffic.           
    Id. at 352
    .         In this order,
    the DTE referred to the Internet Traffic Order as "liberating,"
    since it had previously felt bound by FCC precedent to treat ISP
    traffic as local traffic subject to reciprocal compensation under
    the TCA.4   
    Id.
    On March 24, 2000, in the first appeal of the Internet
    Traffic Order, the D.C. Circuit vacated the Internet Traffic Order
    and remanded to the FCC, finding that the FCC's rationale for
    treating ISP-bound traffic as interstate traffic for the purposes
    of reciprocal compensation was inadequate. See Bell Atl. Tel. Cos.
    
    206 F.3d at 9
    .    The D.C. Circuit was to revisit this issue later.
    In the interim, on June 16, 2000, the FCC approved the
    merger of Verizon's predecessors into Verizon.              See Application of
    GTE Corp., Transferor, and Bell Atl. Corp., Transferee (Merger
    Order), 15 F.C.C.R. 14032 (2000).            As one of the conditions for
    4
    This May 1999 order was vacated in Global NAPs I, because
    the DTE had failed to consider whether reciprocal compensation
    might be required under contract law or other legal or equitable
    principles, as the Internet Traffic Order allowed it to do. Global
    NAPs I, 
    226 F. Supp. 2d at 288-89, 294-95
    .
    -10-
    approval of the merger, the FCC required Verizon to allow a CLEC in
    any one state to adopt any of Verizon's interconnection agreements
    previously approved by a different state commission. 
    Id.
     app. D at
    14310; see also 
    47 U.S.C. § 252
    (i); 
    47 C.F.R. § 51.809
     (allowing a
    CLEC    to   adopt    one    of   an   ILEC's     interconnection      agreements
    previously approved within that state).               The provision containing
    this condition is referred to by the parties and the district court
    as "Paragraph 32."         Paragraph 32 included the following language:
    "[Verizon] shall not be obligated to provide pursuant to this
    Paragraph any interconnection arrangement . . . unless it . . . is
    consistent with the laws and regulatory requirements of . . . the
    state for which the request is made."             Merger Order, 15 F.C.C.R. at
    14310.
    On July 24, 2000, Global notified Verizon that, pursuant
    to     Paragraph     32,    it    wished     to     adopt   the    Rhode   Island
    interconnection       agreement        for    the     parties'      dealings   in
    Massachusetts. However, Verizon and Global disagreed as to whether
    § 5.7.2.3 could be adopted under Paragraph 32.                    On November 15,
    2000, the parties agreed that, effective back to July 24, 2000,
    Global could adopt in Massachusetts all provisions of the Rhode
    Island agreement that were consistent with Paragraph 32, thus
    reserving Verizon's right to contest the adoption of § 5.7.2.3.
    During pendency of negotiations between the parties, Verizon did
    not pay Global reciprocal compensation for ISP-bound traffic.
    -11-
    On April 27, 2001, Global filed a complaint with the FCC,
    claiming it was entitled to adopt § 5.7.2.3 and seeking damages
    based on its interpretation of that section. On February 21, 2002,
    the FCC held that Verizon was required to offer the entire Rhode
    Island agreement, including § 5.7.2.3, to Global in Massachusetts.
    See Global NAPs, Inc. (Paragraph 32 Order), 17 F.C.C.R. 4031, 4039
    (2002).   Importantly, it also noted that under the terms of
    Paragraph 32, "only the relevant state commission may ultimately
    decide whether particular terms of the agreement should be adopted
    in that state, and if so, what those terms mean."            Id. at 2039
    (emphasis added).     The FCC also held that Global's damages claim
    was   "premature"     because   the   DTE   had   yet   to   approve   an
    interconnection agreement between the parties that contained the
    contested provision.     Id. at 2040.
    In the meantime, the FCC issued an order in response to
    the D.C. Circuit's remand of the Internet Traffic Order. See Local
    Competition Provisions in the Telecomms. Act of 1996 (Order on
    Remand), 16 F.C.C.R. 9151 (2001).       In the Order on Remand, the FCC
    held once again that the "provisions of section 251(b)(5) do not
    extend to ISP-bound traffic" but rested its decision on different
    legal grounds.      Id. at 9153.   In addition, the FCC set up a new
    compensation scheme for ISP-bound traffic, which would become
    effective starting June 14, 2001.       The FCC also made clear that it
    had exclusive regulatory authority to address the issue, so that
    -12-
    state commissions no longer have the power to do the same.               Id. at
    9168-69, 9189.       In its consideration of the Order on Remand, the
    D.C. Circuit held that the FCC could not validly base its actions
    on the new legal grounds.          See WorldCom, Inc. v. FCC, 
    288 F.3d 429
    ,
    433-34 (D.C. Cir. 2002).             It did not vacate the FCC order, but
    found the agency needed to provide a different rationale.               
    Id. at 434
    .       The result is that the Order on Remand still remains in
    force.      See Verizon Md. Inc. v. Global NAPs, Inc., 
    377 F.3d 355
    ,
    367 (4th Cir. 2004).
    Thus, the parties here agree that the Order on Remand
    "resolved" the question of reciprocal compensation for ISP traffic
    by setting up a new compensation scheme from June 14, 2001 going
    forward.5      But in Massachusetts there remains the question of
    reciprocal compensation for ISP-bound traffic between July 24, 2000
    (when the language of the Rhode Island agreement went into effect
    in     Massachusetts       through    the      Massachusetts   interconnection
    agreement) and June 14, 2001 (when the alternative compensation
    scheme in the Order on Remand went into effect).               See Global NAPs
    II, 
    332 F. Supp. 2d at 355
    .
    In   March   2002,     Verizon    submitted   the   Massachusetts
    interconnection agreement containing terms identical to those in
    the Rhode Island agreement for retrospective approval by the DTE.
    5
    There is no dispute in Rhode Island that this is the effect
    of the Order on Remand.
    -13-
    Before the DTE, Global argued that since it and Verizon had fully
    litigated the issue of whether the Internet Traffic Order was
    "resolution of this issue" under the identically worded Rhode
    Island    agreement    before    the   RIPUC,       the    DTE   was     collaterally
    estopped from relitigating the same.                The DTE rejected Global's
    argument.       The DTE approved the Massachusetts agreement in its
    entirety on June 24, 2002, but held that it was not bound by
    RIPUC's interpretation and reached its own interpretation.                          It
    noted    that   Paragraph   32   allowed      the    DTE    to   ensure     that   the
    agreement was "consistent with the laws and regulatory requirements
    of . . . the state for which the request is made."                     The DTE made
    note of its prior precedent -- in particular, its May 1999 order
    finding that the Internet Traffic Order had held that ISP traffic
    was   interstate      traffic    and   thus    not        subject   to    reciprocal
    compensation under the TCA.         The DTE concluded that based on this
    precedent it was required to find that the Internet Traffic Order
    was resolution of the issue under the meaning of § 5.7.2.3.
    Therefore, Global was not entitled to reciprocal compensation for
    ISP-bound traffic during the relevant time period, between July 14,
    2000 and June 14, 2001.
    -14-
    Global filed suit challenging the DTE ruling.6      Global
    asserted a number of claims in its complaint, including, most
    importantly for our review, a claim that the DTE's decision not to
    be bound by the RIPUC decision on the issue violated the Full Faith
    and Credit Clause of the U.S. Constitution.      See Global NAPs II,
    
    332 F. Supp. 2d at 359
    .    The district court issued a lengthy and
    thoughtful decision on August 26, 2004, granting in part Global's
    motion for summary judgment.     
    Id. at 375
    .    The court found the
    RIPUC conclusion regarding the effect of the Internet Traffic Order
    on § 5.7.2.3 could not be relitigated before the DTE.    Id. at 345.
    The court noted, however, that it was "possible that, in view of
    the state of the law in Rhode Island in 1999, the issue was not
    resolved, but, in view of the state of the law in Massachusetts,
    the issue was resolved."   Id. at 374.   Thus, the court remanded the
    case to the DTE to determine "whether and when Massachusetts state
    legal or equitable principles that might serve as the foundation of
    any obligation to pay reciprocal compensation were so well-settled
    that the issue was resolved within the meaning of the parties'
    6
    Global also petitioned the DTE for reconsideration of its
    order since the court in Global NAPs I had subsequently vacated the
    DTE's May 1999 order, which the DTE had relied on heavily when
    interpreting the interconnection agreement here. The DTE denied
    this petition, and Global filed a second suit seeking review of
    this denial. The district court in this case allowed the joint
    motion of all parties to consolidate the two cases. See Global
    NAPs II, 
    332 F. Supp. 2d at 343
    .
    -15-
    agreement through a combination of the [Internet Traffic Order] and
    Massachusetts state law."   
    Id. at 345-46
    .
    Verizon and the DTE each appealed, arguing that the
    district court incorrectly applied the Full Faith and Credit
    Clause.    Global cross-appealed, claiming that the district court
    erred in remanding the case to the DTE rather than reversing the
    DTE decision outright.
    We first address the question of appellate jurisdiction.
    II.
    While neither party challenges jurisdiction, "[w]e have
    an obligation to inquire sua sponte into our jurisdiction over the
    matter."   Doyle v. Huntress, Inc., 
    419 F.3d 3
    , 6 (1st Cir. 2005)
    (citing Florio v. Olson, 
    129 F.3d 678
    , 680 (1st Cir. 1997)).7    It
    is clear that "the federal courts have subject matter jurisdiction
    to review state agency determinations under the TCA for compliance
    with federal law, pursuant to 
    28 U.S.C. § 1331
    ."      Global NAPs,
    Inc. v. Verizon New Eng., Inc., 
    396 F.3d 16
    , 21-22 (1st Cir. 2005).
    However, subject to a few exceptions not applicable here, we have
    appellate jurisdiction only over "final decisions" of the district
    courts under 
    28 U.S.C. § 1291
    .    Generally, a district court order
    7
    Shortly after Verizon and the DTE filed this appeal, we
    issued an Order to Show Cause directing the parties to address the
    issue of our appellate jurisdiction in light of the district
    court's remand order. In a later order, we referred the issue of
    appellate jurisdiction to the panel, and asked the parties to
    address certain jurisdictional questions in their opening briefs.
    Verizon and DTE responded to our request, while Global did not.
    -16-
    that remands to an administrative agency for further proceedings is
    not considered a "final decision" within the meaning of § 1291.
    See Mall Props., Inc. v. Marsh, 
    841 F.2d 440
    , 441-42 (1st Cir.
    1988).   Here we are faced with a remand order.
    Verizon and the DTE argue that we nonetheless have
    jurisdiction over this appeal because it falls in the "category of
    cases in which an immediate appeal by a governmental agency is
    allowed . . . , because otherwise the [agency] would be unlikely to
    obtain review."     Colon v. Sec'y of Health & Human Servs., 
    877 F.2d 148
    ,   151   (1st   Cir.   1989);   see    also   Marsh,   
    841 F.2d at 443
    (suggesting    jurisdiction    would      be   appropriate   in   cases   where
    "unless review [is] accorded immediately, the agency likely would
    not be able to obtain review").
    This court has recognized our ability to review orders
    remanding agency proceedings in situations similar to this one.
    See Colon, 
    877 F.2d at 151-52
    ; United States v. Alcon Labs., 
    636 F.2d 876
    , 884-85 (1st Cir. 1981); Lopez Lopez v. Sec'y of Health,
    Educ. & Welfare, 
    512 F.2d 1155
    , 1156 (1st Cir. 1975).
    For example, in Colon, the district court had remanded a
    social security disability insurance benefits case to the Secretary
    of Health and Human Services, ordering him to reopen an earlier
    decision that had denied benefits.             Colon, 
    877 F.2d at 151
    . The
    Secretary appealed that order.            We found that we had appellate
    jurisdiction because otherwise "the Secretary [was] unlikely to
    -17-
    obtain review of this important issue which is distinct from the
    underlying merits of the claim of disability."             
    Id.
        We noted that
    if the Secretary decided to grant benefits on remand, it would be
    "doubtful whether the Secretary could then appeal from his own
    decision to grant benefits."        
    Id.
        Even if the Secretary decided to
    deny    benefits,      "[a]rguing   that    the    district      court   has   no
    jurisdiction to order the Secretary to reopen a previous final
    decision after that decision, in fact, has been reopened is largely
    an academic exercise."       
    Id. at 152
    .
    Similarly, the Eleventh Circuit, in considering a TCA
    case, held that it had jurisdiction to consider the appeal by the
    Florida Public Service Commission and BellSouth of a district
    court's order remanding the case to the state commission:
    [T]here is a widely recognized distinction between
    remands where a district court simply orders the agency
    to proceed under a 'certain legal standard,' and in
    situations where a district court remands for further
    consideration of evidence. A remand order generally is
    found appealable in the former cases because the agency,
    forced to conform its decision to the district court's
    mandate, cannot appeal its own subsequent order.
    MCI Telecomms. Corp. v. BellSouth Telecomms. Inc., 
    298 F.3d 1269
    ,
    1271    (11th   Cir.     2002)   (internal     citation    omitted)      (citing
    Occidental Petroleum Corp. v. SEC, 
    873 F.2d 325
    , 329–30 (D.C. Cir.
    1989)).     Other   circuits     considering      an   appeal    under   the   TCA
    challenging a district court order that had remanded to a state
    commission seem to have assumed they had jurisdiction sub silentio.
    See, e.g., Ind. Bell Tel. Co. v. McCarty, 
    362 F.3d 378
    , 382, 395
    -18-
    (7th Cir. 2004); Sw. Bell Tel. Co. v. Pub. Util. Comm'n, 
    348 F.3d 482
    , 485, 487 (5th Cir. 2003); US W. Commc'ns, Inc. v. Jennings,
    
    304 F.3d 950
    , 959 (9th Cir. 2002); MCI Telecomm. Corp. v. Bell
    Atl.-Pa., 
    271 F.3d 491
    , 498, 521 (3d Cir. 2001); AT&T Commc'ns of
    the S. States, Inc. v. BellSouth Telecomms. Inc., 
    229 F.3d 457
    , 459
    (4th Cir. 2000).
    For reasons similar to those given in Colon, we hold we
    have appellate jurisdiction over this matter. The circumstances of
    this case make clear that if review is denied at this stage, the
    DTE will be unable to "obtain review of this important issue
    distinct from the underlying merits of the claim of disability,"
    see Colon, 
    877 F.2d at 150
    , because the district court has "simply
    order[ed] the agency to proceed under a certain legal standard,"
    MCI   Telecomms.,    
    298 F.3d at 1271
        (internal      quotation   marks
    omitted).    If on remand from the district court, the DTE were to
    reverse     course   and    find    that   Global        was   due   reciprocal
    compensation, the DTE would be unable to appeal its own order for
    the purpose of raising the issue raised here.              Even if one of the
    parties appealed this hypothetical later decision, the DTE would be
    placed in the awkward position of challenging the district court's
    original decision, while simultaneously defending its subsequent
    order     applying    the     district         court's     legal     standards.
    Alternatively, if the DTE once again denies Global's claim for
    reciprocal compensation, and Global were to once again appeal this
    -19-
    determination, the DTE's appeal of the district court's original
    ruling would be "largely an academic exercise of little practical
    significance."    See Colon, 
    877 F.2d at 152
    .    In this scenario, the
    most salient issue on appeal would instead be whether the DTE's
    alternative grounds were sufficient to support its decision.
    Since we have jurisdiction over DTE's appeal, we may also
    hear Verizon's appeal raising the same issue.      See MCI Telecomms.,
    
    298 F.3d at 1271
     (hearing appeal of both the state commission and
    a private party); NAACP v. U.S. Sugar Corp., 
    84 F.3d 1432
    , 1436
    (D.C. Cir. 1996) ("[W]hat matters for the purposes of our appellate
    jurisdiction is whether the district court's decision -- and not
    any particular party challenging it -- is properly before us . . .
    .").
    Global's cross-appeal is a different matter.          Global
    argues that the district court erred in ordering a remand to the
    DTE rather than reversing the DTE's decision outright.             In a
    nutshell, Global's argument is that the DTE is constrained by its
    own    administrative   precedent     from   finding   that   reciprocal
    compensation cannot be paid.        These arguments go to the heart of
    the underlying debate between Global and Verizon, and in making
    these arguments Global asks us to reach issues not decided by the
    district court.   We decline to do so, and find that Global's cross-
    appeal is not properly before us.
    -20-
    III.
    We turn now to the merits of the appeal.    The district
    court held:
    [A] state public utility commission's conclusions of
    state law relating to an interconnection agreement are
    entitled to preclusive effect in subsequent proceedings
    before other states' public utility commissions to the
    same extent that they would receive preclusive effect in
    the first state's courts.
    Global NAPs II, 
    332 F. Supp. 2d at 366
    .      It implicitly held that
    Rhode Island law would require the DTE to be bound by the RIPUC's
    decision.   The district court based its decision on its view that
    principles of collateral estoppel, or "issue preclusion," rooted in
    the Full Faith and Credit Clause required such a holding.    See AVX
    Corp. v. Cabot Corp., No. 04-2656, slip op. at 6 (1st Cir. Sept.
    13, 2005) (describing the difference between issue and claim
    preclusion).   We review this conclusion of federal law de novo.
    The Full Faith and Credit Clause provides: "Full Faith
    and Credit shall be given in each State to the public Acts,
    Records, and judicial Proceedings of every other State.      And the
    Congress may by general Laws prescribe the Manner in which such
    Acts, Records, and Proceedings shall be proved, and the Effect
    thereof."   U.S. Const. art IV, § 1.   Congress, exercising its power
    under this provision, passed 
    28 U.S.C. § 1738
    , which provides that
    the "Acts, records and judicial proceedings . . . [of any State]
    shall have the same full faith and credit in every court within the
    -21-
    United States . . . as they have by law or usage in the courts of
    [the] State . . . from which they are taken."
    There is no claim that the Full Faith and Credit Clause
    compels full faith and credit be given to the unreviewed decisions
    of   state   administrative   agencies.     And,   under   University   of
    Tennessee v. Elliott, 
    478 U.S. 788
     (1986), the statute, § 1738,
    does not apply to unreviewed decisions of state administrative
    agencies.     However, Supreme Court precedent makes clear that we
    must determine whether application of a federal common law rule of
    issue preclusion is appropriate here.
    To set the scene, we describe briefly the requirements of
    federal issue preclusion law, but do not rest on that ground.           We
    also assume arguendo that issue preclusion applies to an unreviewed
    administrative agency proceeding.8        See Bath Iron Works Corp. v.
    Dir., Office of Workers' Comp., 
    125 F.3d 18
    , 21 (1st Cir. 1997)
    ("[T]he subject [of preclusion in administrative contexts] is a
    8
    The courts generally "favor[] application of the common-law
    doctrines of collateral estoppel (as to issues) and res judicata
    (as to claims) to those determinations of administrative bodies
    that have attained finality." Astoria Fed. Sav. & Loan Ass'n v.
    Solimino, 
    501 U.S. 104
    , 107 (1991). This is true even "when the
    issue has been decided by an administrative agency, be it state or
    federal, which acts in a judicial capacity." 
    Id. at 108
     (citation
    omitted) (citing Elliott, 
    478 U.S. at 798
    ); see also United States
    v. Utah Constr. & Mining Co., 
    384 U.S. 394
    , 422 (1996) ("When an
    administrative agency is acting in a judicial capacity and
    resolve[s] disputed issues of fact properly before it which the
    parties have had an adequate opportunity to litigate, the courts
    have not hesitated to apply res judicata to enforce repose.").
    -22-
    complex one, with many variations; and it is perhaps well not to
    generalize too broadly.").9
    In Monarch Life Insurance Co. v. Ropes & Gray, 
    65 F.3d 973
     (1st Cir. 1995) this court set forth the following "federal
    preclusion principles": "(1) both the . . . proceedings involved
    the same issue of law or fact; (2) the parties actually litigated
    the issue in the [prior] proceeding[]; (3) the [first] court
    actually resolved the issue in a final and binding judgment . . .
    ; and (4) its resolution of that issue of law or fact was essential
    to its judgment (i.e., necessary to its holding)."      
    Id. at 978
    (emphases in original); see also In re Bankvest Capital Corp., 
    375 F.3d 51
    , 70 (1st Cir. 2004).   We have serious doubts about whether
    this test could be met on the facts presented here, because it is
    not at all clear that the RIPUC and the DTE decided "the same issue
    of law or fact."10   The RIPUC here came to the conclusion that
    9
    See also 18B C. Wright, A. Miller & E. Cooper, Federal
    Practice and Procedure § 4475, at 474-75 (2d ed. 2002) ("Preclusion
    is much less likely to attach when a proceeding in one agency is
    followed by a proceeding in another agency. . . . When the agencies
    are creatures of different governments, all of the principles that
    generally prevent one government from precluding another are at
    work.").
    10
    There is considerable debate among the parties as to whether
    the "issue" decided by the RIPUC was one of fact, law, or a mixed
    question of fact or law.    Verizon and the DTE argue that issue
    preclusion is inappropriate when the issue decided by the first
    state administrative agency was one of law rather than fact. See
    Edmunson v. Borough of Kennett Square, 
    4 F.3d 186
    , 193 (3d Cir.
    1993). Global argues that the issue is one of fact and so Edmunson
    is inapposite, and in the alternative, that even if the issue were
    one of law, issue preclusion should apply. The district court came
    -23-
    federal law (viz, the Internet Traffic Order) did not "resolve" the
    issue within the meaning of the parties' Rhode Island agreement,
    relying   at   least   in    part   on   the    fact    that   the   question   of
    reciprocal compensation was still open in Rhode Island.                 The DTE,
    in contrast, found that the Internet Traffic Order did resolve the
    issue, but based its finding on its "well established position on
    the issue of reciprocal compensation."                 Indeed, as of May 1999,
    after the Internet Traffic Order had "liberat[ed]" it from its
    earlier   assumption        that    federal      law      required    reciprocal
    compensation,    the   DTE    had   come   to   a   settled    conclusion   that
    reciprocal compensation was not required.11
    It is against the backdrop of its May 1999 order that the
    DTE decided the present question of whether the FCC's Internet
    Traffic Order "resolved" the issue of reciprocal compensation for
    ISP-bound traffic.     No similar "well-established position" guided
    to the conclusion that the RIPUC decided an issue of law, but held
    that issue preclusion was required. Global NAPs II, 
    332 F. Supp. 2d at
    366 (citing Miller v. County of Santa Cruz, 
    39 F.3d 1030
    ,
    1037 & n.7 (9th Cir. 1994)).     We do not resolve the parties'
    disagreement about whether the DTE ruling is one of law or of fact
    or of mixed law and fact.
    11
    The fact that the DTE's May 1999 order was subsequently
    vacated and remanded in Global NAPs I, is of no import. The
    district court in Global NAPs I simply remanded to the agency to
    consider whether reciprocal compensation would be required under
    state contractual or equitable principles. The DTE concluded that
    compensation would not be required, and this decision was upheld
    upon review by the Supreme Judicial Court of Massachusetts.
    See MCI WorldCom Commc'ns, Inc. v. Dep't of Telecomms. and Energy,
    
    810 N.E.2d 802
    , 812 (Mass. 2004).
    -24-
    the RIPUC in making its decision.            It is difficult, then, to see
    for preclusion purposes why the DTE and RIPUC decided the "same
    issue of law or fact."        See 18C C. Wright, A. Miller & E. Cooper,
    Federal Practice and Procedure § 4425, at 659 (2d ed. 2002)
    ("Preclusion . . . may be defeated by showing . . . that there has
    been a substantial change in the legal climate suggesting a new
    understanding of the governing legal rules that may require a
    different application.").12
    Nonetheless, we do not rest on this ground because there
    is of necessity a prior analysis.       As the Supreme Court made clear
    in Elliott, we must first answer the preliminary question of
    whether    application   of    a   federal    common   law   rule   of   issue
    preclusion would be consistent with Congress's intent in enacting
    the TCA.    Elliott, 
    478 U.S. at 796
    ; see also Astoria Fed. Sav. &
    Loan Ass'n v. Solimino, 
    501 U.S. 104
    , 110 (1991).            We find that, on
    the facts of this case, it would not.
    Elliott controls the structure of analysis.          In Elliott,
    a discharged employee of the university had filed a complaint with
    a state administrative agency, claiming his discharge was racially
    12
    Courts should be particularly cautious about enforcing issue
    preclusion rules across state lines because in contrast to the
    rules of claim preclusion, "[m]any issue preclusion rules fall far
    outside the central role of judicial finality." 18B C. Wright, A.
    Miller & E. Cooper, supra, § 4467, at 42.          There are many
    situations where full faith and credit does not compel issue
    preclusion rules to be applied in the second state. Id. § 4467, at
    42-43.
    -25-
    motivated.    
    478 U.S. at 790
    .         When his claims were denied by the
    state agency, rather than seeking review in the state courts, the
    employee went to federal district court with claims under Title VII
    of   the   Civil   Rights   Act   of   1964,    the   Constitution,   and   the
    Reconstruction-era civil rights statutes.             
    Id.
       The district court
    granted summary judgment for the university on the ground that the
    state administrative decision was entitled to preclusive effect.
    
    Id. at 792
    .    The Supreme Court noted first that the full faith and
    credit statute, 
    28 U.S.C. § 1738
    , did not apply to unreviewed
    administrative factfinding.        Id. at 794.        As a result, the Court
    had to "fashion federal common-law rules of preclusion in the
    absence of a governing statute."              Id.   It determined that, with
    respect to the employee's Title VII claim, the question of whether
    the state administrative decision was entitled to preclusive effect
    depended on "whether a common-law rule of preclusion would be
    consistent with Congress'[s] intent in enacting Title VII." Id. at
    796.   The Court concluded based on the language and legislative
    history of Title VII that "Congress did not intend unreviewed state
    administrative proceedings to have preclusive effect on Title VII
    claims."    Id.; see also Solimino, 
    501 U.S. at 112-13
     (holding that
    unreviewed findings of a state administrative agency with respect
    to an age discrimination claim had no preclusive effect on federal
    proceedings under the Age Discrimination in Employment Act).                 In
    -26-
    resolving the present dispute, we ask the same question as to
    congressional intent in enacting the TCA.
    The district court distinguished Elliott and Solimino
    because "[a]s they involved decisions to be made by the federal
    government, rather than a state, they were governed by the common
    law of issue preclusion rather than the Full Faith and Credit
    Clause."   Id. at 366.     However, there is nothing in those cases to
    suggest that their holdings on the preclusive reach of judicially
    unreviewed decisions of state agencies were limited to situations
    where the subsequent case was in federal court.
    In order to find that issue preclusion applies, the
    district court held that "there is nothing explicit or implicit in
    the [TCA] that indicates that Congress intended to depart from the
    traditional   rules   of   preclusion."          Id.   We    disagree.     Our
    examination   of   the   TCA   leads   us   to    conclude    that   to   apply
    principles of issue preclusion, at least in the situation presented
    here, would contravene the intent of Congress.
    In a sense, issue preclusion rules are about allocation
    of authority to decide a question.           General application of the
    federal common law of issue preclusion would threaten two different
    allocations of power under the TCA: the allocation among the
    commissions of each state as to the effectuation of their state's
    policies and the allocation of power between the FCC and the
    states.
    -27-
    The model under the TCA is to divide authority among the
    FCC and the state commissions in an unusual regime of "cooperative
    federalism," see P.R. Tel. Co. v. Telecomms. Regulatory Bd., 
    189 F.3d 1
    , 8 (1st Cir. 1999), with the intended effect of leaving
    state commissions free, where warranted, to reflect the policy
    choices made by their states.               See P. Huber et al., Federal
    Telecommunications Law §§ 3.3.3-3.3.4 (2d ed. 1999).                  Rather than
    placing the entire scope of regulatory authority in the federal
    government, "Congress enlisted the aid of state public utility
    commissions to ensure that local competition was implemented fairly
    and with due regard to the local conditions and the particular
    historical    circumstances       of    local    regulation   under    the   prior
    regime."     Id. § 3.3.4, at 227.              We see little indication that
    Congress intended its explicit allocation of authority between
    state commissions to be generally displaced by common law rules
    that themselves allocate authority.
    The goal of preserving a role for the state regulatory
    commissions is reflected in a number of provisions in the TCA.
    Congress expressly left with the states the power to enforce "any
    regulation, order, or policy of a State commission that . . .
    establishes    access   and       interconnection      obligations      of   local
    exchange carriers; . . . is consistent with the requirements of
    this   section;   and   .     .     .    does    not   substantially     prevent
    implementation of the requirements of this section and the purposes
    -28-
    of this part."        
    47 U.S.C. § 251
    (d)(3).                   While the TCA prevents
    states and localities from passing laws "hav[ing] the effect of
    prohibiting the ability of any entity to provide interstate or
    intrastate telecommunications service," 
    id.
     § 253(a), it allows "a
    State    to   impose,      on   a    competitively           neutral    basis    .   .    .    ,
    requirements necessary to preserve and advance universal service,
    protect the public safety and welfare, ensure the continued quality
    of   telecommunications         services,            and    safeguard    the    rights        of
    consumers," id. § 253(b).
    The   role    played       by    state       commissions    is    especially
    important     with    respect       to     interconnection        agreements.            State
    commissions are given the authority to resolve though arbitration
    or     mediation     any    open      issues         in    ongoing     negotiations       for
    interconnection        agreements.            Id.     §     252(a)(2).          Before        an
    interconnection agreement goes into effect, it must be approved by
    a state commission, which may reject the agreement if it "is not
    consistent with the public interest, convenience, and necessity" or
    it "discriminates against a telecommunications carrier not a party
    to the agreement."         Id. § 252(e)(2).               Congress expressly preserved
    each     state's     authority        to      "establish[]       or     enforc[e]        other
    requirements of State law in [a State commission's] review of an
    agreement,      including           requiring         compliance       with     intrastate
    telecommunications service quality standards or requirements" as
    -29-
    long as those requirements do not serve as barriers to entry.                         Id.
    § 252(e)(3).
    In addition to threatening the allocation of authority
    under the TCA among the states as to protection of their own state
    interests, general implementation of default common law issue
    preclusion rules could threaten the authority allocated to the FCC.
    Congress gave the federal government an extensive oversight role.
    Under the TCA, the FCC has authority to preempt state jurisdiction
    over    regulation     of    intrastate     communications        in   a    number     of
    specific situations.          For example, if a state commission fails to
    carry    out    the    duties     required       of   it   with   respect       to    its
    consideration of a particular interconnection agreement, the FCC is
    given authority to preempt the state commission's jurisdiction and
    assume direct responsibility for that agreement.                  Id. § 252(e)(5).
    Direct    review      of    the   state   commission's       failure       to   act    is
    foreclosed; the FCC's actions in response to an alleged failure to
    act, and judicial review of those actions, are the "exclusive
    remedies." Id. § 252(e)(6).           In addition, the FCC may preempt the
    enforcement of a state or local law if it finds, after notice and
    an opportunity for comment, that the law acts as a barrier to
    entry.    Id. § 253(e).           In addition to these specific grants of
    authority, the FCC has broad regulatory authority over the TCA.
    See id. § 201(b) ("The Commission may prescribe such rules and
    regulations as may be necessary in the public interest to carry out
    -30-
    the provisions of this chapter."); AT&T Corp. v. Iowa Utils. Bd.,
    
    525 U.S. 366
    , 378 (1999) (interpreting § 201 to extend to the local
    competition provisions of the TCA).
    Indeed, the FCC has issued its own orders and regulations
    that have made clear that, at times, individual state commissions
    are       to   decide    matters     and    that,   at   other    times,       one    state
    commission's determination is owed some deference.                            The FCC, in
    exercising the power granted to it under the TCA, has indicated
    that the DTE is the decision-making authority as to the issue here.
    In    Paragraph         32,   the    FCC    noted   that    the        adoption      of    an
    interconnection agreement from another state was subject to the
    proviso that the agreement had to be "consistent with the laws and
    regulatory requirements of . . . the state for which the request is
    made."         Merger Order, 15 F.C.C.R. 14032 app. D at 14310.                            In
    considering the agreement here, the FCC reiterated that under the
    terms of Paragraph 32 "only the relevant state commission may
    ultimately decide whether particular terms of the agreement should
    be adopted in that state, and if so, what those terms mean."
    Paragraph 32 Order, 17 F.C.C.R. at 4039.
    As a result of these orders, the FCC has essentially done
    three things.           It has said that nothing in the TCA itself requires
    as    a    matter   of     federal    law    that   Verizon      pay    the    reciprocal
    compensation charges.           It has also said that each state commission
    may make its own determination on the issue under state law.                              And
    -31-
    although the FCC required Verizon to enter an agreement with Global
    using the same language as the Rhode Island agreement, it also
    recognized that there was a dispute about that language and that
    the relevant state commission (the DTE) should decide the issue.
    For a court to step in and shift the state-by-state
    decision-making authority from the Massachusetts DTE to the RIPUC
    on this issue would upset the allocations of authority made out
    under the TCA.      A judicially imposed rule of preclusion here would
    also set up an opportunity for regulatory arbitrage contrary to the
    purposes of the TCA.     It is common in the telecommunications world
    for   ILECs   and    CLECs   to    negotiate    multiple   interconnection
    agreements    across    multiple    states     simultaneously,   and   these
    agreements often contain identical terms.          Given this fact, a rule
    granting preclusive effect to the decision of the first state
    commission on a particular issue creates the risk of perverse
    incentives.   Carriers looking to lock in a friendly interpretation
    will race to the state commission with the most amenable views, and
    perhaps leverage that decision to their advantage in other states.
    The state commissions themselves would be encouraged to decide an
    issue as quickly as possible, to preserve their independence and to
    avoid being bound by another state agency's interpretations of
    contractual terms.      These results cut directly against Congress's
    desire, as evinced by the text and structure of the TCA, "to ensure
    that local competition [be] implemented fairly and with due regard
    -32-
    to the local conditions and the particular historical circumstances
    of local regulation under the prior regime."          P. Huber et al.,
    supra, § 3.3.4, at 227.
    To be sure, in some other circumstances, deference by one
    state commission to another state's conclusions may be appropriate.
    For example, the FCC has chosen to give presumptive effect to
    certain findings regarding technical feasibility by one state
    commission.     See 
    47 C.F.R. § 51.319
    (b)(3)(ii) ("Once one state
    commission has determined that it is technically feasible to
    unbundle subloops at a designated point, an incumbent LEC in any
    state   shall   have   the   burden   of   demonstrating   to   the   state
    commission . . . that it is not technically feasible . . . to
    unbundle its own loops at such a point."); 
    id.
     § 51.230(c) ("Upon
    a successful demonstration by [a competing] carrier before a
    particular state commission [that 'deployment of a technology falls
    within the presumption under paragraph (a)(3) of this section'],
    the deployed technology shall be presumed acceptable for deployment
    in other areas.").     This presumption operates not because of the
    law of issue preclusion but because the FCC has chosen this as an
    appropriate method of achieving uniformity.            The FCC has not
    created any similar presumptions as to the issues presented here.
    In part because of the complications of the TCA's scheme
    of cooperative federalism, we do not think it wise to decide this
    case in the broad terms urged by the parties.         We do not address
    -33-
    whether the enactment of the TCA itself displaced all aspects of
    the federal common law of issue preclusion in the area.                Nor do we
    address   the    extent    to     which    the   TCA   assigns   the   task   of
    displacement or adoption of rules of issue preclusion to the FCC.
    We also do not resolve the dispute as to whether interconnection
    agreements are creatures of state law or federal law.              Rather, we
    simply    find   that     under     the     circumstances   presented     here,
    application of common law principles of issue preclusion would
    contravene the intent of Congress. The district court was in error
    when it held otherwise.
    IV.
    We reverse the district court's judgment and vacate the
    order remanding the matter to the DTE; we remand to the district
    court for further proceedings consistent with this opinion.               Costs
    are awarded to Verizon and the DTE.
    -34-