DUID Zero Tolerance or Per se Laws for Some Drugs
- Per se >0 for some drugs
Marijuana-Specific Laws
- Possession and Use: Decriminalized and legal for recreational and medical use (effective 10/1/21)
- Impaired Driving: THC per se (5 ng)
State
Montana
Issue
Drug Impaired Driving
Determinations
DUID Zero Tolerance or Per se Laws for Some Drugs
Per se >0 for some drugs
Marijuana Possession and Use
Legal for medical use
Marijuana Impaired Driving
THC per se (5 ng)