Mich. Comp. Laws § 29.391: Exemption of firemen from carrying certain papers.

Sec. 1.

Notwithstanding any provision of law to the contrary, any fireman while responding to or returning from a fire alarm or while actually engaged in fighting a fire shall be exempt from carrying on his person any certificate, license or any paper or writing required by law to be on his person or presented upon demand of a peace officer.