Compiled Laws, Chapter 28. Michigan State Police § 28.432

(a) A police or correctional agency of the United States or of this state or any subdivision of this state.

(b) The United States Army, Air Force, Navy, or Marine Corps.

(c) An organization authorized by law to purchase or receive weapons from the United States or from this state.

(d) The National Guard, United States Armed Forces Reserves, or other duly authorized military organization.

(e) A member of an entity or organization described in subdivisions (a) to (d) for a firearm while engaged in the course of that member's duties with that entity or while going to or returning from those duties.

(f) A United States citizen holding a license to carry a pistol concealed upon that individual's person issued by another state.

(g) The regular and ordinary possession and transportation of a firearm as merchandise by an authorized agent of a person licensed to manufacture firearms or a licensed dealer.

(h) Purchasing, owning, carrying, possessing, using, or transporting an antique firearm. As used in this subdivision, “antique firearm” means that term as defined in section 231a of the Michigan penal code, 1931 PA 328, MCL 750.231a.

(i) An individual carrying, possessing, using, or transporting a pistol belonging to another individual, if the other individual's possession of the pistol is authorized by law and the individual carrying, possessing, using, or transporting the pistol has obtained a license under section 5b  2 to carry a concealed pistol or is exempt from licensure as provided in section 12a.  3