Stevens Engineers & Constructors, Inc. v. Local 17 Iron Workers Pension Fund ( 2017 )


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    Pursuant to Sixth Circuit I.O.P. 32.1(b)
    File Name: 17a0280p.06
    UNITED STATES COURT OF APPEALS
    FOR THE SIXTH CIRCUIT
    STEVENS ENGINEERS & CONSTRUCTORS, INC.,               ┐
    Plaintiff-Appellee,     │
    │
    >      Nos. 16-4098/4099
    v.                                              │
    │
    │
    LOCAL 17 IRON WORKERS PENSION FUND; LOCAL 17          │
    IRON WORKERS PENSION FUND BOARD OF TRUSTEES,          │
    Defendants-Appellants.      │
    ┘
    Appeal from the United States District Court
    for the Northern District of Ohio at Cleveland.
    Nos. 1:15-cv-01965; 1:15-cv-01967—Donald C. Nugent, District Judge.
    Argued: October 3, 2017
    Decided and Filed: December 13, 2017
    Before: CLAY, ROGERS, and SUTTON, Circuit Judges.
    _________________
    COUNSEL
    ARGUED: Richard L. Stoper, Jr., GOLDSTEIN GRAGEL LLC, Cleveland, Ohio, for
    Appellants. Daniel A. Richards, WESTON HURD LLP, Cleveland, Ohio, for Appellee.
    ON BRIEF: Richard L. Stoper, Jr., Susan L. Gragel, GOLDSTEIN GRAGEL LLC, Cleveland,
    Ohio, for Appellants. Daniel A. Richards, Morris L. Hawk, WESTON HURD LLP, Cleveland,
    Ohio, Jeanne V. Gordon, Amy M. Wojnarwsky, CAVITCH, FAMILO & DURKIN CO., L.P.A.,
    Cleveland, Ohio, for Appellee.
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    _________________
    OPINION
    _________________
    ROGERS, Circuit Judge. Under the Multiemployer Pension Plan Amendments Act, part
    of ERISA, a construction industry employer who withdraws from a multiemployer pension plan
    owes liability to that plan if the employer conducts work “in the jurisdiction of the collective
    bargaining agreement of the type for which contributions were previously required.” 29 U.S.C.
    § 1383(b)(2)(B)(i). In accordance with this provision, the Trustees of the Iron Workers Local 17
    Pension Fund assessed pension liability against Stevens Engineers & Constructors, claiming that
    Stevens’s activities on a certain construction project involved such work within the jurisdiction
    of their previous collective bargaining agreement. As an arbitrator and the district court below
    found, however, Stevens did not owe pension liability to the Local 17 Pension Fund, because the
    work identified by Local 17 did not fall within the jurisdiction of the relevant collective
    bargaining agreement, and did not otherwise require contributions by Stevens. The collective
    bargaining agreement instead allowed Stevens to assign jobs like the ones at issue to other trade
    unions, and a job did not trigger pension liability to the Local 17 Pension Fund if, as here, it was
    properly assigned to a different union. Local 17 offers additional arguments as to why Stevens
    owed withdrawal liability, but these are also unavailing.
    I.
    In 1980, Congress passed the Multiemployer Pension Plan Amendments Act (MPPAA),
    which modified and extended the coverage of ERISA. Pub. L. 96–364, 94 Stat. 1208 (1980).
    ERISA had allowed collective bargaining agreements for employers in large, fragmented
    industries like construction to collect employer contributions for a single centralized
    industrywide pension fund, rather than for individual plans for each employer. See 29 U.S.C.
    § 1301(a)(3). To avoid incentives for employers to flee when a multiemployer plan became
    underfunded, the MPPAA imposed a provision for withdrawal liability, under which an
    employer leaving an industry or a plan would be responsible for paying additional contributions
    to that plan at the time of their exit. 29 U.S.C. § 1381. An employer subject to withdrawal
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    liability owes a proportionate share of the unfunded amount of the plan, determined on the date
    of exit from the plan. 29 U.S.C. § 1391.
    The MPPAA also provides that a plan’s sponsor, often an entity supported by the local
    union, is normally responsible for calculating withdrawal liability, pursuant to the collective
    bargaining agreement’s terms. 29 U.S.C. § 1382. Where an employer and a plan disagree about
    the existence or extent of such withdrawal liability, the MPPAA also imposes a scheme for
    resolution of disputes, primarily through arbitration. 29 U.S.C. § 1401. The MPPAA states that,
    in civil actions to enforce an assessment of withdrawal liability, “there shall be a presumption,
    rebuttable only by a clear preponderance of the evidence, that the findings of fact made by the
    arbitrator were correct.” 
    Id. § 1401(c).1
    Although withdrawal liability attaches to most types of employers, a special withdrawal
    scheme— the one at issue in this case—covers the construction industry. 29 U.S.C. § 1383(b).
    Under this arrangement, construction industry employers are not subject to withdrawal liability if
    they completely withdraw from “work in the jurisdiction of the collective bargaining agreement
    of the type for which contributions were previously required.” 
    Id. § 1383(b)(2)(B)(i).
    The Ninth
    Circuit has explained that this provision exists because “the construction industry as a whole
    does not necessarily shrink when a contributing contractor leaves the industry; employees are
    often dispatched to another contributing contractor.” H.C. Elliott, Inc. v. Carpenters Pension Tr.
    Fund for N. California, 
    859 F.2d 808
    , 811 (9th Cir. 1988). On these premises, the withdrawal of
    an employer from work within the jurisdiction of a collective bargaining agreement “do[es] not
    pose an undue threat to a plan as long as contributions are made for whatever work is done in the
    area.” 
    Id. at 812
    (quoting H.R. Rep. No. 96–869, 96th Cong., 2d Sess, pt. 1, at 75). At the same
    time, “[t]he withdrawal of any employer from the plan does decrease the base, however, if the
    employer stays in the industry but goes non-union and ceases making payments to the plan.” 
    Id. In those
    latter circumstances, the MPPAA provides that an employer must pay a proportional
    share of the unfunded amount in the plan, determined based on the employer’s share of
    1
    The MPPAA does not contain any provision establishing the standard of review for conclusions of law.
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    contributions for work prior to withdrawal, rather than after withdrawal.             29 U.S.C.
    § 1391(b)(1)(A).
    The Iron Workers Local 17 Pension Fund (Fund) is a multiemployer pension plan subject
    to the MPPAA. It provides pensions for members of the International Association of Bridge,
    Structural, Ornamental and Reinforcing Iron Workers Local Union No. 17 (Local 17). The
    Board of Trustees of the Iron Workers Local 17 Pension Fund oversees and administers the
    Fund. The Fund is severely underfunded, with a deficit of over $170 million. An employer that
    withdraws from the Fund and cannot avail itself of the construction industry exception thus faces
    significant liability.
    Stevens Engineers & Constructors (Stevens) is a company in the building and
    construction industry. Stevens specializes in heavy industrial construction, and at any given time
    generally employs several hundred union workers in a variety of trades. Between 1985 and April
    2013, Stevens was a party to a series of collective bargaining agreements (CBAs) with Local 17,
    pursuant to which Stevens paid into the Fund. Like all previous CBAs, the final CBA between
    Stevens and Local 17 contained a statement of the jurisdiction establishing where the CBA
    applied. Article I of the CBA defined “craft jurisdiction,” the ironworker work covered by the
    CBA, as the “unloading, handling, fabrication, re-fabrication, erection, and dismantling of
    structural, ornamental, reinforcing steel, metals, plastic, [and] composite and engineered
    materials.” Article II of the CBA defined the “territory” of the CBA as a geographic range
    covering various counties in Northern Ohio. Jobs within the craft jurisdiction and the geographic
    jurisdiction of the CBA required payment by Stevens into the Fund, and Stevens made payments
    when so required.
    The CBA between Stevens and Local 17 contained an additional qualifier. The craft
    jurisdiction section stated that the jurisdiction of the CBA was “subject to . . . Agreements,
    national in scope between the International and other International Unions covering work
    jurisdiction and [the] allocation and division of work.” The CBA included this section because
    the jurisdiction claimed by craft unions in the construction industry can often overlap, and so
    unions have enacted various agreements allowing work divisions among crafts. Where work is
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    assigned to one union through an assignment agreement, it is not within the domain of another
    union, and thus not subject to employer pension liability to that other union.
    One work assignment agreement incorporated into the CBA was the National
    Maintenance Agreement (NMA). The NMA is a longstanding arrangement covering various
    craft unions, including ironworkers and millwrights, in construction projects, and directing which
    unions receive which work. The NMA provides that, where multiple unions can claim the same
    work, employers must conduct a pre-job conference to assign work on a project. Once a job is
    assigned through a pre-job conference, it belongs to the assigned craft union. Where a dispute
    continues following a pre-job conference, the NMA provides for a neutral umpire to resolve the
    dispute. If not challenged under the NMA, a task stands as assigned, and does not fall within the
    purview of any other union.
    In April 2013, Stevens terminated its collective bargaining agreement with Local 17 and
    announced its intention not to directly employ any ironworkers on any future projects. Instead,
    where a Stevens project required ironworkers, Stevens would hire subcontractors to complete
    that work. As a result, Stevens ceased making contributions to the Fund. Stevens has not
    directly hired ironworkers since the termination of the CBA.
    In September 2013, Stevens won a contract to renovate and install new equipment at the
    U.S. Steel No. 4 Seamless plant in Lorain County, Ohio, an area within the geographic
    jurisdiction of the previous Local 17 CBA. In accordance with the NMA, Stevens held a pre-job
    conference, at which Stevens announced that millwrights and not ironworkers would perform
    demolition and power rigging tasks for the No. 4 Seamless project. Power rigging involves the
    movement, handling, and removal of certain mechanical devices on construction sites.           In
    previous jobs, Stevens had often assigned power rigging tasks to ironworkers, but in others,
    Stevens had chosen millwrights to do that work. Other employers subject to the NMA also
    assign rigging work to craft unions other than ironworkers.
    Three days after the pre-job conference, a representative of Local 17 contacted Stevens to
    object to the job assignments. Local 17 protested Stevens’s assignments as inconsistent with
    another inter-union agreement, the 1971 Ironworker Millwright Rigging Agreement, stating that
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    ironworkers would have priority in power rigging work. The 1971 rigging agreement had been
    abrogated by the millwrights in 2005 and was no longer in force, but some construction
    employers continued to make assignments consistent with that agreement’s terms. Stevens
    responded that it would not change the assignments on the No. 4 seamless site. The next step in
    the NMA process required Local 17 to submit its claims for dispute resolution; however, the
    union did not pursue the dispute further. The Trustees of the Fund did not participate in this
    process.
    During Stevens’s work at No. 4 Seamless, two irregularities occurred. One night in
    November 2013, laborers working for Stevens installed a three- to four-square-foot area of rebar
    on the site. In the pre-job conference, Stevens had assigned rebar installation exclusively to
    ironworkers. The next morning, when a Stevens manager discovered that the laborers had
    installed this rebar, the Stevens manager stated that the laborers had not been authorized to
    complete the task, apologized to the ironworkers, and stated that only ironworkers were
    permitted to do that work. Similarly, in January 2014, a subcontractor informed Stevens that
    millwrights were installing iron grating and handrails, despite Stevens’s assignment of that work
    to ironworkers. Stevens immediately ordered the millwrights to cease that work. The total
    amount of ironworker activities wrongly performed by other crafts amounted to twenty hours, or
    less than two-tenths of one percent of all ironworker work.
    On November 13, 2013, about two weeks after the pre-job conference, the Fund Board of
    Trustees passed a resolution holding that Stevens was performing work for which Stevens had
    previously used ironworkers, namely the demolition and power rigging work. In consequence,
    the Trustees voted to impose withdrawal liability on Stevens. The Fund used the abrogated
    1971 Rigging Agreement as the basis for its assessment that it was entitled to payment for the
    work done by Stevens. The Fund presented Stevens with a demand for $5,056,017, the amount
    of the withdrawal liability it calculated Stevens owed. Stevens requested that the Trustees
    review their own determination, pursuant to an ERISA provision allowing employers the right to
    such reviews.    See 29 U.S.C. § 1399(b)(2)(A).      After hearing evidence from Stevens, the
    Trustees reconfirmed their own jurisdiction over Stevens.
    Nos. 16-4098/         Stevens Eng’rs & Constr. v. Local 17 Iron Workers, et al.            Page 7
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    Stevens moved to submit the claims to arbitration, pursuant to ERISA’s mandatory-
    arbitration clause. See 29 U.S.C. § 1401(a)(1). During the discovery phase of the arbitration, the
    Fund learned of two additional activities by Stevens that it counted as irregularities. Prior to the
    pre-job conference, millwrights employed by Stevens had moved machinery at the No. 4
    Seamless site. Likewise, laborers employed by Stevens had drilled a few holes for rebar on the
    site. The Fund had not known about these activities when it imposed withdrawal liability on
    Stevens, and the activities did not serve as a basis for its determination that Stevens had
    performed work subjecting Stevens to withdrawal liability.
    After hearing four days of testimony, the arbitrator found that Stevens was not subject to
    withdrawal liability. The arbitrator concluded that Stevens had not conducted “work in the
    jurisdiction of the collective bargaining agreement” because Stevens had assigned power rigging
    and demolition tasks to the millwrights through the NMA. Although recognizing that the Fund’s
    assessment of liability enjoyed a presumption of correctness, the arbitrator found that this
    presumption did not require liability against Stevens here, because the Fund’s conclusion was
    clearly erroneous. The arbitrator also found that Stevens was not liable for the rebar installation
    and the millwrights’ installation of iron grating, but did not discuss the laborers’ drilling holes
    for rebar and unloading equipment, although it had heard evidence on these latter issues.
    Following the arbitrator’s award, Stevens brought a civil action against the Fund and the
    Trustees to enforce the arbitrator’s award, and that same day the Fund and Trustees brought an
    action against Stevens seeking to vacate the award. The district court consolidated both actions
    into the current case. After motions, the district court granted Stevens’s request to enforce the
    arbitrator’s award, concluding like the arbitrator that Stevens had assigned the challenged tasks
    through the NMA, and so they were not within the Fund’s jurisdiction. The district court further
    rejected the Fund’s argument that the Fund should not be bound by Local 17’s failure to object to
    the NMA-provided assignment, and found that the Fund could not independently assess
    withdrawal liability on Stevens outside of the context of the CBA.
    The Fund now appeals.
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    II.
    Stevens did not owe withdrawal liability to the Fund because the power rigging work it
    assigned to the millwrights through the NMA was not work within the jurisdiction of the Local
    17 CBA, and did not otherwise require contributions by Stevens.            Under the MPPAA, a
    construction industry employer owes withdrawal liability only when it either “continues to
    perform work in the jurisdiction of the collective bargaining agreement of the type for which
    contributions were previously required” or “resumes such work within 5 years . . . .” 29 U.S.C.
    § 1383(b)(2). Here, however, the power rigging work was not work within the jurisdiction of the
    CBA because the CBA permitted Stevens to assign this work to another union. The previous
    CBA between Stevens and Local 17 incorporated “[a]greements, national in scope between the
    International and other International Unions covering work jurisdiction and allocation and
    division of work,” and it is not contested that the NMA is one such incorporated agreement. The
    NMA, in turn, provided that where a job is assigned through a pre-job conference, it belongs
    exclusively to the union to which it is assigned. The Fund therefore could not use the power
    rigging work as a basis for assessing withdrawal liability here, because the job’s assignment to
    the millwrights in the pre-job conference meant it was within the jurisdiction of the millwrights
    rather than the ironworkers. The work thus did not trigger the “perform[ance] . . . in the
    jurisdiction of the collective bargaining agreement” requirement for 29 U.S.C. § 1383(b)(2) to
    apply.
    This court has never addressed the precise meaning of “jurisdiction” under 29 U.S.C.
    § 1383(b)(2). The conclusion that withdrawal liability is defined by the jurisdictional provisions
    of the relevant collective bargaining agreement is, however, consistent with other courts’
    approaches to this issue.    For example, the Ninth Circuit has held that an employer who
    withdrew from the construction industry but continued to own a part of a joint venture of a
    construction project did not owe withdrawal liability under Section 1383(b)(2) for that
    ownership, because the employer’s CBA when in force would not have required contributions
    for that ownership. Carpenters Pension Tr. Fund for N. California v. Underground Constr. Co.,
    
    31 F.3d 776
    , 780 (9th Cir. 1994). Similarly, the Seventh Circuit has stated in a general analysis
    of pension liability that, where no other legal duty exists, an employer’s “obligation to contribute
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    is tied exclusively to the . . . CBA.” Michels Corp. v. Cent. States, Se., & Sw. Areas Pension
    Fund, 
    800 F.3d 411
    , 418 (7th Cir. 2015). Other circuits have also confirmed that a work-
    assignment process can direct pension contributions to the union to whom the work was
    assigned. For example, the Eighth Circuit held that a jurisdictional provision like the one here,
    where work could be assigned to multiple unions, meant that a pension fund of a non-assigned
    union was “not entitled to contributions for work assigned to members of a competing union
    within the jurisdiction of that union.” Carpenters Fringe Benefit Funds of Ill. v. McKenzie
    Eng’g, 
    217 F.3d 578
    , 585 (8th Cir. 2000).
    The conclusion that withdrawal liability does not accrue from a task outside the
    jurisdiction of a collective bargaining agreement is also consistent with this circuit’s more
    general precedents on the MPPAA. We have stated that the MPPAA should be constructed
    strictly according to its text rather than through definitions “constructed in the dim light of
    common-law inference.” Cent. States, Se. & Sw. Areas Pension Fund v. Int’l Comfort Prods.,
    LLC, 
    585 F.3d 281
    , 286 (6th Cir. 2009). Applying that principle here means applying the
    construction industry exception to withdrawal liability as it exists in the MPPAA, and the
    MPPAA provides that withdrawal liability only attaches to work “in the jurisdiction of the
    collective bargaining agreement of the type for which contributions were previously required.”
    29 U.S.C. § 1383(b). The straightforward interpretation of that text offers no grounds on which
    the Fund can assess withdrawal liability, because the Fund does not show that the CBA required
    contributions for work within the jurisdiction of another union.
    To be sure, we have also acknowledged that the MPPAA expresses a general policy in
    favor of making employers who withdraw from an underfunded fund pay into it. See Findlay
    Truck Line, Inc. v. Cent. States, Se. & Sw. Areas Pension Fund, 
    726 F.3d 738
    , 743 (6th Cir.
    2013). We did not say, however, that this policy extends to finding liability where it would not
    otherwise exist.    Where, as here, the MPPAA expressly limits the situations in which
    contributions are required, the specific provisions of the text control over the looser general
    principles also embodied in the MPPAA.
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    Indeed, interpreting the “jurisdiction” triggering withdrawal liability under 29 U.S.C.
    § 1383(b)(2)(B)(i) to be the jurisdiction established by a collective bargaining agreement is more
    consistent with the specific policy behind withdrawal liability, and the particular rationale for the
    construction industry exception. As the Ninth Circuit has explained, the MPPAA imposes
    withdrawal liability to avert the scenario in which “the employer stays in the industry but goes
    non-union and ceases making payments to the plan.” H.C. Elliott, 
    Inc., 859 F.2d at 811
    . That
    incentive to gain the benefit of work without the detriment of pension liability does not exist,
    however, where an employer takes on a job that would not have required pension payments.
    Before its withdrawal from the CBA, Stevens would not have owed contribution liability to
    Local 17 for work properly assigned to another union through the NMA. It therefore causes no
    imbalance for Stevens to owe no liability for such work properly assigned after withdrawal
    either.
    The Fund raises a series of objections to reading Section 1383(b) as not permitting
    withdrawal liability where a previous CBA would not have imposed it, but the Fund’s
    contentions all fail. First, the Fund proposes an alternative interpretation of Section 1383(b) in
    which “jurisdiction” means only “geographic jurisdiction,” but this argument is meritless. An
    opinion of the Second Circuit confirms that the jurisdictional clause of a CBA like the one at
    issue here covers both “the Union’s defined trade and geographical jurisdiction.” Cleveland
    Wrecking Co. v. Iron Workers Local 40, 
    136 F.3d 884
    , 886 (2d Cir. 1997). The Fund points out
    that another portion of the MPPAA uses the term “craft and area jurisdiction” as opposed to just
    “jurisdiction,” see 29 U.S.C. § 1388(d)(1), but the principle that the greater includes the lesser
    means that the broad term “jurisdiction” can and does include the narrower variation “craft and
    area jurisdiction.”
    The Fund likewise states that interpreting “jurisdiction” to mean craft rather than
    geographic jurisdiction produces an apparently absurd result of imposing liability where an
    employer works in a different state. But nothing says “jurisdiction” must apply to only one of
    craft or geography, and the natural reading is that it applies to both. In other words, the
    MPPAA’s provisions for withdrawal liability mean exactly what they say: an employer owes
    withdrawal liability for work that would have mandated contributions pursuant to ERISA if the
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    CBA were still in force. 29 U.S.C. § 1383(b). This clarity means that, notwithstanding the
    Fund’s suggestion, resort to the MPPAA’s legislative history is unnecessary because the text is
    clear. See Mohamad v. Palestinian Auth., 
    566 U.S. 449
    , 458 (2012).
    The Fund also expresses concern that a reading of “in the jurisdiction of the collective
    bargaining agreement” as covering whatever area a CBA establishes as its own jurisdiction
    makes redundant the second part of Section 1383(b)’s requirement: “of the type for which
    contributions were previously required.” In fact, these two parts work in conjunction. The
    limitation “of the type for which contributions were previously required” establishes that an
    employer does not owe withdrawal liability for actions previously covered by a CBA but not
    generative of pension liability. Cf. Carpenters Pension Tr. 
    Fund, 31 F.3d at 780
    (demonstrating
    such a scenario). Reading both parts in conjunction fulfills, rather than frustrates, the MPPAA’s
    scheme. It ensures that employers will not owe liability for actions after withdrawal that would
    not have generated liability before.
    The Fund also identifies the fact that Stevens, while subject to the CBA, had previously
    employed ironworkers to do rigging work, as purportedly showing that this rigging work was
    within the ironworkers’ jurisdiction. This argument ignores the point that under the CBA and the
    NMA, Stevens had the right to assign a job to various unions, and only incurred pension liability
    to a craft union when a task was so assigned. Knowing that, in the past, Stevens had exercised
    an option it possessed does not rebut the point that Stevens was not prohibited from assigning
    jobs to other unions in the future. The Fund finally objects that, even after the abrogation of the
    rigging agreement, area practice favored the assignment of rigging work to ironworkers, and
    thus Stevens would have owed liability for rigging work when the CBA was in force. Extrinsic
    evidence like area practice does not overcome clear contract language, however. Tackett v.
    M & G Polymers USA, LLC, 
    811 F.3d 204
    , 208 (6th Cir. 2016). Because this CBA through the
    incorporated NMA expressly provides flexibility for Stevens to make rigging assignments, a
    survey of area practice is unnecessary to determine that Stevens could exercise a right that it
    possessed by the terms of the contract.
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    III.
    Although only Local 17 and not the Fund was a party to the CBA and capable of
    challenging work assignments under the NMA, that assignment is binding on the Fund, because
    the Fund did not have an independent right to assess liability based on a task assigned to another
    union through the NMA.2 The Fund points out that, in some ERISA areas, pension funds are not
    necessarily bound by the failures of relevant unions to assert a fund’s claims, and argues that it
    should be permitted to pursue claims against Stevens. Here, however, Local 17’s action through
    the NMA was a necessary prerequisite to create obligation to contribute to the Fund, and so the
    Fund could not assess liability based on work never falling within its jurisdiction. The Fund’s
    arguments that there was no forfeiture of its independent powers to assess liability thus fail,
    because no such independent powers existed in this context.
    Under the MPPAA’s standards for withdrawal liability, a plan sponsor may only assess
    withdrawal liability on a construction employer who resumes or “perform[s] work in the
    jurisdiction of the collective bargaining agreement of the type for which contributions were
    previously required.” 29 U.S.C. § 1383(b)(2)(B)(i). As discussed above, the jurisdiction of the
    collective bargaining agreement in this case incorporated the NMA, under which a craft union
    lacks jurisdiction over jobs properly assigned to another union pursuant to that agreement. Here,
    as both the arbitrator and the district court found, Local 17 did not have jurisdiction over rigging
    work because Stevens assigned that work to millwrights rather than ironworkers. The NMA
    process was exclusive and final. As a result, both the arbitrator and district court correctly
    concluded that the Fund did not have the power to retroactively determine that Stevens’s work
    was within the jurisdiction of Local 17 based only on the Fund’s own authority, because that
    decision was precluded by the NMA.
    The Fund nevertheless seeks the right to decide what tasks belonged to Local 17,
    regardless of NMA assignment, but the Fund lacks any such power to overturn the NMA’s
    2
    To be clear: the Fund does not raise the issue of whether it did or should have possessed an independent
    standing, separate from that of Local 17, to challenge work assignment through the NMA process. Rather, the Fund
    argues that it has the independent authority to subsequently assess liability on Stevens, regardless of rights
    established via NMA assignment. We thus leave for another day the question of a pension fund’s independent
    standing to intervene in a process like the NMA.
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    outcomes. An inter-union dispute process like the NMA establishes the jurisdiction for pension
    contribution claims, and must be challenged through its own procedures. The Eighth Circuit has
    held, for instance, that a union pension fund was not entitled to collect contributions from a
    project assigned to another union, since the assignment of that project had placed it outside the
    bounds of the relevant union’s CBA. 
    McKenzie, 217 F.3d at 585
    . On relatively similarly facts to
    those here, the McKenzie court held that, unless challenged through the inter-union dispute
    resolution process, “the Funds are not entitled to contributions for work assigned to members of
    a competing union within the jurisdiction of that union.” 
    Id. We have
    in turn cited McKenzie for
    the proposition that a pension fund “should not be able to establish an entitlement to
    contributions for work assigned to another union claiming jurisdiction over the work without
    invoking procedures for resolving the jurisdictional work assignment issue.” Trs. of B.A.C.
    Local 32 Ins. Fund v. Ohio Ceiling & Partition Co., No. 01–1396, 
    2002 WL 35018235
    , at *9
    (6th Cir. Oct. 4, 2002). That conclusion is equally valid in this case.
    The Fund tries to distinguish McKenzie on the basis that “McKenzie involved delinquent
    contributions, not withdrawal liability.” If anything, this fact would appear to make McKenzie
    more rather than less persuasive in this case. Under ERISA, delinquent contributions mean that
    some liability has already accrued, and thus some entity has an entitlement to money, see
    29 U.S.C. § 1145. By contrast, no entity has any right to withdrawal liability if no such liability
    actually exists. McKenzie is thus applicable to the issues in this case.
    In addition, the Fund cites precedents expressing the general point that a plan sponsor is
    usually not bound by union conduct, but these cases are not relevant to this dispute. These
    precedents show only that plan sponsors can exercise already-extant rights, but they do not
    demonstrate any independent power to assess liability by a fund. For example, the Fund points
    to the fact that the Supreme Court has held that a coal company could not withhold plan
    contributions because the beneficiary union had gone on strike. Lewis v. Benedict Coal Corp.,
    
    361 U.S. 459
    , 466 (1960). In that case, however, the coal company had pledged to pay the fund
    a specific royalty per ton of coal produced, and had produced that amount of coal. 
    Id. at 461–62,
    466. Here, by contrast, the Fund’s claim did not involve an amount certainly accrued, but rather
    a liability that never existed in the first place. Likewise, the Fund’s observation that ERISA
    Nos. 16-4098/         Stevens Eng’rs & Constr. v. Local 17 Iron Workers, et al.         Page 14
    16-4099
    requires payment from “[e]very employer who is obligated to make contributions to a
    multiemployer plan under the terms of the plan” without reference to others’ defenses, see
    29 U.S.C. §1145, only begs the question of whether Stevens was so obliged to make those
    contributions here. If Stevens was not otherwise obliged to contribute, then Stevens did not
    violate this prohibition against not paying required contributions by not contributing sums that
    Stevens did not owe.
    The Fund also identifies various precedents holding that plan sponsors are not subject to
    estoppel or waiver based on union action, but those cases’ procedural rules do not answer the
    point that substantive liability does not exist here. The Fund contends that Stevens should not
    avoid withdrawal liability just because Local 17 did not challenge the assignment of work to
    millwrights through the NMA. It is true that we have held in a deficient-contribution case that a
    union’s failure to comply with terms in a CBA “cannot affect the [pension] Funds’ right to
    collect contributions that are due and owing to the Funds.” Operating Eng’rs Local 324 Health
    Care Plan v. G & W Const. Co., 
    783 F.3d 1045
    , 1053 (6th Cir. 2015). As G&W Construction
    also states, however, this prohibition only applies to contributions that are “due and owing to the
    Funds.” 
    Id. The Fund
    identifies no precedent stating that a union’s failure to challenge work
    assignments can allow a fund to collect contributions not otherwise owed to that fund.
    Indeed, our precedents strongly emphasize the primacy of parties’ prior arrangements in
    assessing when liability accrues, since “[f]unds are entitled to rely on the written terms of an
    existing ERISA plan document or collective bargaining agreement.” 
    Id. (citing Cent.
    States, Se.
    & Sw. Areas Pension Fund v. Gerber Truck Serv., Inc., 
    870 F.2d 1148
    , 1153 (7th Cir. 1989)). In
    this case, that prior arrangement stated that work assignments would stand as assigned through
    the job-assignment process, and pension liability follow accordingly, unless challenged at the
    time of assignment. Because the Fund did not accrue any rights to contribution from work
    assigned to another craft through the NMA, or otherwise enjoy a right to challenge those
    assignments, permitting re-assessment now would prove inconsistent with that obligation.
    Nos. 16-4098/            Stevens Eng’rs & Constr. v. Local 17 Iron Workers, et al.                    Page 15
    16-4099
    IV.
    In addition to its main argument on power rigging, the Fund points to tasks—drilling
    holes for rebar and unloading machinery—completed by Stevens workers but not discovered by
    the Fund before it assessed withdrawal liability on Stevens, and the Fund argues that these tasks
    permit its assessment of withdrawal liability. The district court ruled questionably that the Fund
    could not use after-acquired information to justify its imposition of withdrawal liability,3 but in
    any event this information does not subject Stevens to liability to the Fund.
    The Fund first points to the fact that it discovered that laborers employed by Stevens
    drilled holes for rebar installation, but drilling holes in preparation for rebar installation was not
    within the mandatory jurisdiction of the Local 17 CBA. The craft jurisdiction section of that
    CBA claimed for the ironworkers the “unloading, handling, fabrication, re-fabrication, erection,
    and dismantling of structural, ornamental, reinforcing steel, metals, plastic, composite and
    engineered materials.” This list does not include the preparation of a site for metal installation
    (as opposed to the installation itself), and there was evidence from the arbitration hearing that
    drilling holes for rebar installation did not fall within the mandatory jurisdiction of the
    ironworkers. The Fund objects that Stevens had assigned drilling work to ironworkers in the
    past; however, prior practice does not suffice to form withdrawal liability unless the CBA
    required the work to be assigned to the ironworkers, see 29 U.S.C. § 1383(b). The Fund thus
    does not offer evidence that this drilling constituted work per se requiring contributions from
    Stevens, as opposed to only requiring contributions if assigned to the ironworkers.
    The Fund also identifies the fact that millwrights unloaded machinery from trucks as
    work conducted within Local 17’s jurisdiction. The NMA, however, permitted assigning this
    work to non-ironworkers. Because the unloading was assignable work through the NMA, it did
    3
    The relevant section of the MPPAA creates a presumption that “any determination made by a plan sponsor
    under [the MPPAA] is presumed correct unless the party contesting the determination shows by a preponderance of
    the evidence that the determination was unreasonable or clearly erroneous.” 29 U.S.C. § 1401(b)(3)(A). The
    Supreme Court has held that this provision means that an arbitrator “is not only obliged to enquire into the
    soundness of the sponsor’s determinations when they are challenged, but may receive new evidence in the course of
    his review and adopt his own conclusions of fact.” Concrete Pipe & Prod. of Cal., Inc. v. Constr. Laborers Pension
    Tr. for S. Cal., 
    508 U.S. 602
    , 623 (1993).
    Nos. 16-4098/         Stevens Eng’rs & Constr. v. Local 17 Iron Workers, et al.          Page 16
    16-4099
    not fall within Local 17’s jurisdiction unless granted to Local 17 through the NMA, which did
    not happen here. It is true that this occurred before formal assignments at the pre-job conference.
    Under the NMA, however, a craft union does not have any right to work assignable to another
    union until after the union is assigned the work through a pre-job conference.           Here, the
    unloading was assignable, and the pre-job conference assigned this work to non-ironworkers.
    Because Local 17 thus never had an exclusive claim to this work, it does not constitute work
    imposing liability on Stevens, and the Fund could not use that work to justify withdrawal
    liability.
    V.
    Finally, the various irregularities during the construction process do not lead to
    withdrawal liability because Stevens was not responsible for them. The Fund identified two
    instances in which Stevens employees or agents conducted work unquestionably within the duty
    of ironworkers. In the first case, some carpenters or laborers installed a small portion of rebar on
    the site. In the second, millwrights installed grating and handrails around a machine. In both
    instances, however, Stevens did not order this work, was not aware of this work, and ordered it
    terminated as soon as Stevens learned of it. Under Ohio law, the governing law here, an
    employer is not responsible for those acts outside the scope of employment, and work is only in
    the scope of a worker’s employment if it is conduct of the kind which he is employed to perform.
    Groob v. KeyBank, 
    843 N.E.2d 1170
    , 1177 (Ohio 2006). Here, Stevens assigned ironworker
    work exclusively to the ironworkers, and neither authorized nor condoned the non-ironworkers
    performing that work. The district court thus did not err in finding that Stevens was not
    responsible for work done outside Stevens’s control.
    VI.
    The judgment of the district court is affirmed.