Rules and Regulations Montana Medical Marijuana Program Rules and Regulations February 2018 - Adoption MAR 37-820 pertaining to Medical Marijuana Program Notice of Public Hearing on Proposed Adoption of New Rules Notice of Adoption of Emergency Rules Montana Marijuana Bill (SB0333) Ballot Initiative language effective 12/7/16 Montana Medical Marijuana Act 2015 Medical Marijuana Act 2017 Rules Notice of Adoption of New Rules effective 10/28/17 Administrative Rule Notices Montana Code Annotated Montana Marijuana Bill (SB0333) Ballot Initiative 182 Litigation and Court Decisions