Mich. Comp. Laws § 28.517

Sec. 7. (1) The commission or its agent shall issue a certificate to a qualified retired law enforcement officer who has complied with the active duty firearms standard and is eligible to carry a concealed firearm under 18 USC 926C and this act. (2) A certificate holder shall carry the certificate and a valid driver license or Michigan personal identification card on his or her person at all times while in possession of a concealed firearm and shall produce the documents upon demand by a peace officer. (3) A certificate holder who is carrying a concealed firearm and who is stopped by a peace officer shall immediately disclose to the peace officer that he or she is carrying a concealed firearm on his or her person or is transporting a firearm in his or her vehicle. (4) Upon notice of revocation, a certificate holder is required to forfeit his or her certificate to the commission by returning the certificate in person to the commission or returning the certificate by certified mail. (5) A violation of this section subjects the certificate holder to the penalties provided in section 5f of 1927 PA 372, MCL 28.425f, including forfeiture of the firearm.