Mich. Comp. Laws § 752.102: Penalty.

Sec. 2.

Any person, partnership, association or corporation, or officer or agent thereof, who shall be found guilty of a violation of the provisions of section 1 of this act, shall be deemed guilty of a misdemeanor and upon conviction thereof, shall be punished by a fine not exceeding 100 dollars, or imprisonment not exceeding 90 days, or by both such fine and imprisonment, in the discretion of the court.