Versions of Montana Code 50-32-607. Authorization for possession and administration of opioid antagonist -- reporting on LawServer 2023 Montana Code 50-32-607. Authorization for possession and administration of opioid antagonist — reporting 2022 Montana Code 50-32-607. Authorization for possession and administration of opioid antagonist — reporting 2021 Montana Code 50-32-607. Authorization for possession and administration of opioid antagonist — reporting 2019 Montana Code 50-32-607. Authorization for possession and administration of opioid antagonist — reporting 2018 Montana Code 50-32-607. Authorization for possession and administration of opioid antagonist — reporting