Michigan Compiled Laws, Chapter 500. Insurance Code of 1956 § 500.2242

Sec. 2242. (1) Except as otherwise provided in section 2236(8)(d),  1 a group disability policy must not be issued or delivered in this state unless a copy of the form has been filed with the director and approved by him or her.

(2) The director may within 60 days after the filing of a disability insurance policy form applicable to individual or family expense coverage, disapprove the form for any of the following, subject to the requirements as to notice, hearing, and appeal set forth in sections 244 and 2236:  2

(3) The director may at any time withdraw his or her approval of an individual or family expense policy form on any of the grounds stated in subsection (2), subject to the requirements as to notice, hearing, and appeal set forth in sections 244 and 2236. An insurer shall not issue the form after the effective date of the withdrawal of approval.

(4) Subject to the requirements of this section, an insurer may file health insurance policies, certificates, riders, and rates quarterly. This subsection does not limit or restrict an insurer's ability to file large group health insurance policies, certificates, or riders at any time during the year.

(5) After December 31, 2016, this section applies to forms filed by a nonprofit dental care corporation operating under 1963 PA 125, MCL 550.351 to 550.373.