Scope and Content Copy of the Michigan Labor Mediation Act. Act No. 176 of the Public Acts of 1939 as emended by Act No. 318 of the Public Acts of 1947. This law created a board for the mediation of labor disputes, and to prescribe its powers and duties; to provide for the mediation and arbitration of labor disputes, and the holding of elections there on; to provide for the creation of arbitration boards; to regulate the conduct of parties to labor disputes and to require the parties to follow certain...