Mich. Comp. Laws § 445.54

Sec. 4. The attorney general shall have the following powers to enforce this act: (a) To bring an action for a temporary or permanent injunction in the manner provided in section 5 of the consumer protection act. (b) To accept an assurance of discontinuance in the manner provided in section 6 of the consumer protection act. (c) To apply for the issuance of subpoenas in the manner provided in sections 7 and 8 of the consumer protection act. (d) To bring a class action in the manner provided in section 10 of the consumer protection act.