Background
M&K Truck Centers operates a network of affiliated truck dealerships structured through separate legal entities. For three Illinois dealerships, M&K created pairs of companies at each location: a Sales company operating the dealership and an Employee Solutions (ES) company hiring and leasing employees to the Sales company. Three ES entities signed collective-bargaining agreements with the International Association of Machinists, requiring pension contributions to the IAM National Pension Fund.
In 2017 and 2018, the ES entities terminated their collective-bargaining agreements. ES Alsip’s withdrawal triggered approximately $6.1 million in MPPAA withdrawal liability. After initially disputing the amount through arbitration (which reduced it to $1.8 million), M&K entities paid that amount. The district court later vacated the arbitration award and entered a $13 million judgment against multiple M&K defendants for principal, interest, and liquidated damages. On appeal, defendants challenged three core issues: whether ES Summit owed delinquent contributions for work at a separately incorporated ES Northern Illinois location, how to allocate a partial payment between interest and principal, and whether the Fund could retroactively increase the interest rate applied to ES Alsip’s liability.
The Court’s Holding
The D.C. Circuit affirmed in part and reversed in part. On the delinquent-contribution claim, the court reversed summary judgment for the Fund, holding that the complaint failed to adequately plead that ES Summit and ES Northern Illinois should be treated as a single employer under the NLRB test. Although both parties had assumed the NLRB standard applied (rather than the more stringent common-law veil-piercing test), the complaint alleged only common ownership—insufficient to establish single-employer status without also pleading interrelated operations, common management, and centralized control of labor relations.
On the partial payment issue, the court affirmed the Fund’s allocation of the $1.8 million payment to interest rather than principal. Applying the longstanding “United States Rule,” the court held that a creditor may allocate a partial payment to outstanding interest first absent a clearly expressed contrary agreement. The defendants failed to demonstrate that the demand letter or other documents manifested such an agreement.
On the interest-rate question, the court reversed. Although the collective-bargaining agreement incorporated a Trust Agreement authorizing the trustees to amend it, the court held that plan amendments imposing new liabilities cannot bind employers that have terminated their collective-bargaining agreement and withdrawn from the multi-employer plan. Under the principle from *M&G Polymers v. Tackett*, contractual obligations cease upon termination of a bargaining agreement unless expressly continued. The original agreement fixed the interest rate at the IRS rate for delinquent taxes; the retroactive amendment to 18% was impermissibly imposed post-termination.
Key Takeaways
- Delinquent-contribution claims under ERISA require adequate pleading of all elements supporting single-employer status, not merely common ownership, even if a relaxed standard applies at summary judgment.
- Under the United States Rule, pension funds may credit partial payments to accrued interest first, absent clear evidence of a contrary agreement with the employer.
- Pension fund trustees cannot retroactively impose new interest obligations on withdrawn employers through post-termination plan amendments; the Litton principle disfavors such post-termination liabilities.
- Successor liability doctrine extends liability under ERISA causes of action without requiring a separate freestanding successor-liability cause of action.
Why It Matters
This decision clarifies critical boundaries in multi-employer pension litigation. For employers and plan sponsors, it establishes that pleading standards matter—a Fund cannot rely on minimal factual allegations to obtain summary judgment on complex single-employer questions. For pension funds, it confirms the traditional common-law rule governing partial-payment allocation but limits their ability to unilaterally increase interest rates after an employer exits. The decision also rejects the proposition that all ERISA statutory provisions necessarily displace background common-law principles, requiring clearer statutory language to overcome established default rules.
The ruling has broader ERISA implications: it affirms that the “control group” standard in MPPAA (which applies only to withdrawal liability) differs from the NLRB test (potentially applicable to delinquent-contribution claims), and it reinforces that collective-bargaining agreement termination generally ends related contractual obligations. On remand, the case will address which defendants are liable for the modified judgment amount and whether successor entities may be held liable—issues with significant exposure for acquiring companies in the trucking industry and other unionized sectors.