MI SB1305

Permits insurers to use additional rating factors beyond those specified in statute if uniformly applied, consistent with act purposes, and reflecting anticipated loss or expense changes, while prohibiting premium discounts based on health care services, automobile repair providers, or repair materials.

Establishes allowed classification factors for automobile insurance including driver age/experience, vehicle characteristics, commuting mileage, safety features, and completion of 8-hour accident prevention education courses that provide premium surcharges for at-fault accidents and traffic violations.

Requires senior citizens aged 65+ who drive fewer than 3,000 miles annually receive reduced premium rates regardless of statistical data if insurer lacks established senior discount plan.

Sets underwriting standards for home insurance based on property physical condition, claim history, replacement cost relationships, unoccupancy periods exceeding 60 days, and adjacent physical hazards, with nonrenewal permitted for three or more claims totaling $3,000+ (excluding weather) or $4,000+ (including weather) within preceding 3 years.

Mandates insurers file underwriting rules with commissioner for public inspection, apply rules uniformly throughout state, and prohibits inspection selection criteria based on race, color, creed, marital status, sex, national origin, residence, age, disability, or occupation; effective December 27, 2012.