Detroit Police Officers Association v. Detroit

The issue presented by this case is whether the parties’ past practice is so widely acknowledged and mutually accepted that it amends the contradictory and unambiguous contract language in the collective bargaining agreement. Applying the majority’s analysis and holding in the recently decided *341Port Huron Ed Ass’n v Port Huron Area School Dist, 452 Mich 309; 550 NW2d 228 (1996),1 we hold that the association has shown that the parties had a meeting of the minds with respect to the new terms or conditions and that the past practice was so prevalent and widely accepted that there was an…