Int'l Union of Operating Eng'rs Local 399 v. Vill. of Lincolnshire

WOOD, Chief Judge.

The National Labor Relations Act and its amendments establish a national system of industrial-labor relations. The question before us in this case is whether a municipality-specifically, the Village of Lincolnshire, Illinois-can add to or *998 change that system through a local ordinance. Lincolnshire passed an ordinance that purports to do three things: (1) forbid the inclusion of union-security or hiring-hall provisions in collective bargaining agreements, (2) forbid the mandatory use of hiring halls, and (3) forbid dues checkoff arrangements. The Village asserted that it had…