(1) The failure of an insurer to comply with this part constitutes an unfair trade practice under 33-18-1003. (2) Midterm premium increases and policy coverage reductions not in compliance with this part that are attempted or executed constitute unfair trade practices under 33-18-1003.
Unfair Trade Practices
Mont. Code Ann. § 33-15-1121, under Property or Casualty Insurance -- Premium Changes, Cancellation, and Claim Information.
Mont. Code Ann. § 33-15-1121