The Ninth Circuit recently issued a pair of decisions clarifying how the rules governing withdrawal liability apply to employers in certain industries. In Walker Specialty Const., Inc. v. Bd. of Trs. of the Constr. Indus. & Laborers Joint Pension Tr. for S. Nev., No. 24-1560, 2026 WL 21743 (9th Cir. Jan. 5, 2026), the