Versions of Montana Code 16-12-523. Unlawful conduct by cardholders -- penalties on LawServer 2023 Montana Code 16-12-523. Unlawful conduct by cardholders — penalties 2022 Montana Code 16-12-523. Unlawful conduct by cardholders — penalties 2021 Montana Code 16-12-523. Unlawful conduct by cardholders — penalties