Mich. Comp. Laws § 445.669

Sec. 19. Within 4 years after the effective date of this act, the department shall provide a written report to the governor, the speaker of the house of representatives, and the senate majority leader. The report shall include a status report concerning the implementation of this act and the beverage container redemption antifraud act, the department's analysis of the effectiveness of these acts in reducing the redemption of nonreturnable containers in this state, the department's recommendation concerning whether the requirements of sections 7(1) and 9(1) should be extended to apply to reverse vending machines located in areas of the state not included in those sections, and any other recommendations the department may have for changes to these acts or other legislative action to reduce the redemption of nonreturnable containers in this state.