(May 11, 2016, 11:48 AM EDT) -- CHICAGO — An employer violated the National Labor Relations Act (NLRA) when it refused to sign a collective bargaining agreement after its representative orally consented to the terms, the Seventh Circuit U.S. Court of Appeals ruled May 9, enforcing a decision by the National Labor Relations Board (NLRB) (Polycon Industries, Inc. v. National Labor Relations Board, Nos. 15-3675, 15-3859, 7th Cir.; 2016 U.S. App. LEXIS 8502)....