Mich. Comp. Laws § 600.4831: Penalty; prosecution by prosecuting attorney.

Sec. 4831.

Where the prosecuting attorney knows, or has reason to believe, that a penalty has been incurred within his county, or has been notified of such penalty by a township officer, he shall prosecute for such penalty without delay.

If the township supervisor has commenced a suit to recover such penalty, the prosecuting attorney shall, on request by such supervisor, attend to and conduct such suit on behalf of the plaintiff.