Employers may be bound by multiemployer pension plans’ trust agreements and collections policies, but the force of these governing documents may have its limits. In Nevada Resorts Ass’n–Int’l All. of Theatrical Stage Emps. and Moving Picture Mach. Operators of the U.S. and Canada Local 720 Pension Trust v. JB Viva Vegas, L.P., No. 2:19-cv-00499…