Mont. Code Ann. § 33-18-612
Refund for expunged record
33-18-612 . Refund for expunged record. An insurance company that charges an additional premium based on insurance points assessed against a policyholder as a result of a charge or conviction that was expunged because of identity theft pursuant to 46-24-219 shall refund the additional premiums to the policyholder upon notification and verification of the expungement.