Mich. Comp. Laws § 500.7914

Sec. 7914. (1) The association shall adopt a plan of operation and any amendments thereof, not inconsistent with the provisions of this chapter, necessary to assure the fair, reasonable and equitable manner of administering the association, and to provide for such other matters as are necessary or advisable to implement the provisions of this chapter. The plan of operation and any amendments thereof shall be subject to prior written approval by the commissioner. All members of the association shall adhere to the plan of operation. (2) If for any reason the association fails to adopt a suitable plan of operation within 6 months following the effective date of this chapter, or if at any time thereafter the association fails to adopt suitable amendments to the plan of operation, the commissioner shall adopt and promulgate such reasonable rules as are necessary or advisable to effectuate the provisions of this act. Such rules shall continue in force until modified by the commissioner or superseded by a plan of operation adopted by the association and approved by the commissioner.