Mich. Comp. Laws § 257.2119

Sec. 19. A limousine carrier shall acquire the following insurance coverage for acts or omissions of the applicant as a limousine carrier: (a) Bodily injury and property damage liability insurance with a minimum combined single limit of $1,000,000.00 for all persons injured or for property damage. (b) Personal protection insurance and property protection insurance as required by chapter 31 of the insurance code of 1956, 1956 PA 218, MCL 500.3101 to 500.3179. A limousine carrier shall maintain the insurance described in this section as a condition of maintaining a license issued under this act.