(1) Any rates, rating schedules, or rating manuals for liability, bodily injury, or collision coverages of a motor vehicle insurance policy filed with the insurance department must provide for an appropriate premium reduction as determined by the insurer for an insured operator of a covered vehicle who is 55 years of age or older and who has successfully completed a highway traffic safety program as provided by 61-2-102 and 61-2-103.
(2) In addition to providing a premium reduction, an insurer may reimburse the fee for participating in the highway traffic safety program.
(3) The premium reduction used by the insurer is presumed appropriate unless credible data demonstrates otherwise.