Montana
Cannabis Law Guide & THCA Vendor SOP
Hemp Law
Montana legalized hemp under HB 227 (2017). Follows federal delta-9 definition. THCA products legal.
Important Note
Montana has a robust agricultural hemp program.
Marijuana / Cannabis Law
I-190 (2020) legalized adult-use. Sales began January 2022. Medical since 2004.
Possession Limit
1 oz; 4 mature plants
Both medical and adult-use operational. Rural state with local opt-out provisions.
THCA Vendor SOP — Montana
- 1
Obtain MDA hemp license
- 2
Lab test: delta-9 THC < 0.3%
- 3
Label per MDA requirements
- 4
Maintain records for inspection
Hemp Vendor Requirements
- MDA hemp license
- COA per batch
- Delta-9 THC < 0.3%
Key Dates
2004: Medical cannabis legalized
2017-05-02: Hemp legalized (HB 227)
2020-11-03: Adult-use (I-190)
2022-01-01: Adult-use sales begin
Enforcement Notes
MDA enforces hemp. DPHHS regulates cannabis.
Disclaimer: This information is provided for educational purposes only and does not constitute legal advice. Cannabis laws change frequently. The statute citations and regulatory links were verified as of March 2026 but may have been updated. Always verify current regulations withMontana Department of Agriculture before making business decisions. Consult a licensed attorney in Montana for advice specific to your situation.