Michigan § 500.2120 - Automobile insurance; establishment of underwriting rules by affiliated insurers; applicability of subsection (1); compliance; separate rating plans; applicability of subsection (2); underwriting rules defining applicable rating plan; basis of underwriting rules.

(1) Affiliated insurers may establish underwriting rules so that each affiliate will provide automobile insurance only to certain eligible persons. This subsection applies only if an eligible person can obtain automobile insurance from 1 of the affiliates. The underwriting rules must be in compliance with this section and sections 2118 and 2119.

(2) An insurer may establish separate rating plans so that certain eligible persons are provided automobile insurance under 1 rating plan and other eligible persons are provided automobile insurance under another rating plan. This subsection applies only if all eligible persons can obtain automobile insurance under a rating plan of the insurer. Underwriting rules consistent with this section and sections 2118 and 2119 must be established to define the rating plan applicable to each eligible person.

(3) Underwriting rules under this section must be based only on the following:

(a) With respect to a vehicle insured or to be insured, substantial modifications from the vehicle's original manufactured state for purposes of increasing the speed or acceleration capabilities of the vehicle.

(b) Except as otherwise provided in section 2116a or 2116b, failure of the person to provide proof that insurance required by section 3101 was maintained in force with respect to any vehicle owned and operated by the person or by a member of the household of the person during the 6-month period immediately preceding application or renewal of the policy. The proof must take the form of a certification by the person that the required insurance was maintained in force for the 6-month period with respect to the vehicle.

(c) For purposes of insuring persons who have refused a deductible lawfully required under section 2118(2)(h), the claim experience of the person with respect to comprehensive coverage.

(d) Refusal of the person to pay a minimum deposit required under section 2118(2)(g).

(e) A person's insurance eligibility point accumulation under section 2103(1)(h), or the total insurance eligibility point accumulation of all persons who account for 10% or more of the use of 1 or more vehicles insured or to be insured under the policy.

(f) The type of vehicle insured or to be insured as provided in section 2118(2)(e).