Versions of See prior versions of a law on LawServer 2023 Montana Code 61-8-1026. Unlawful possession of open alcoholic beverage container in motor vehicle on highway 2022 Montana Code 61-8-1026. Unlawful possession of open alcoholic beverage container in motor vehicle on highway 2021 Montana Code 61-8-1026. Unlawful possession of open alcoholic beverage container in motor vehicle on highway