Michigan Compiled Laws, Chapter 436. Alcoholic Beverages § 436.1602

Sec. 602. A manufacturer's termination, cancellation, nonrenewal, or discontinuation of an agreement with a wholesaler as allowed under sections 305(13) and 403(13),  1 as applicable, is void if the manufacturer sells the brand or brands of beer or wine, as applicable, subject to the termination, cancellation, nonrenewal, or discontinuation to a wholesaler or retailer within this state before the expiration of 24 months after the effective date of the written notice provided to a wholesaler as required under section 305(13) or 403(13), as applicable.