(June 6, 2016, 11:57 AM EDT) -- ST. LOUIS — An Eighth Circuit U.S. Court of Appeals panel on June 2 enforced in part a ruling by the National Labor Relations Board finding that an employer violated two sections of the National Labor Relations Act (NLRA) by enforcing a mandatory arbitration agreement under which employees waived their rights to pursue employment-related disputes as collective or class actions in any forum (Cellular Sales of Missouri, LLC v. National Labor Relations Board, Nos. 15-1620 and 15-1860, 8th Cir.; 2016 U.S. App. LEXIS 10002)....