Mich. Comp. Laws § 37.2304

Sec. 304. Within 30 days after a determination by the commission that a place of public accommodation that holds a license issued by the liquor control commission under the Michigan liquor control act, Act No. 8 of the Public Acts of the Extra Session of 1933, being sections 436.1 to 436.58 of the Michigan Compiled Laws, has violated this article, the commission shall certify that determination to and shall file a complaint alleging a violation of Act No. 8 of the Public Acts of the Extra Session of 1933 with the liquor control commission.