Sec. 108. As used in this code: (1) "Authorized" insurer means an insurer duly authorized, by a subsisting certificate of authority issued by the commissioner, to transact insurance in this state. (2) "Unauthorized" insurer means an insurer not so authorized to transact insurance in this state.
Authorized, unauthorized insurer; definitions.
Mich. Comp. Laws § 500.108, under THE INSURANCE CODE OF 1956.
Mich. Comp. Laws § 500.108