Main Content Act 278 of 1980 friendly link printer friendly bills affecting mcl index link Search within this Statute for STATE CONTRACTS WITH CERTAIN EMPLOYERS PROHIBITEDAct 278 of 1980AN ACT to prohibit the state from entering into contracts with certain employers who engage in unfair labor practices; to prohibit those employers from entering into certain contracts with others; to provide for the compilation and distribution of a register of those employers; and to provide for the voiding of certain contracts. History: 1980, Act 278, Imd. Eff. Oct. 9, 1980 The People of the State of Michigan enact: DocumentTypeDescription Section 423.321SectionDefinitions. Section 423.322SectionRegister of employers found in contempt of court for failure to correct unfair labor practice. Section 423.323SectionProhibited contracts or subcontracts. Section 423.324SectionRequired clause in contract.