
M&K Employee Solutions, LLC v. Trustees of the IAM Nat’l Pension Fund, No. 23-1209, 608 U.S. __, __ S. Ct. __, 2026 WL 1423319 (U.S. May 21, 2026) (9-0, opinion by Justice Jackson)
This case arises out of the statutory withdrawal liability regime Congress created for multiemployer pension plans when it amended ERISA by

