Mich. Comp. Laws § 500.2426: Manual of classifications, rules and rating plans; rates meeting standards.

Sec. 2426.

No manual of classifications, rule, rating plan, or any modification of any of the foregoing which measures variations in hazards or expense provisions, or both, and which has been filed pursuant to the requirements of this chapter shall be disapproved if the rates thereby produced meet the requirements of section 2403 (1) (d) (rate standards).