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MT SB508
Bill
AI Summary
- Drivers under 21 years of age commit DUI if any amount of tetrahydrocannabinol (THC), excluding inactive metabolites, is detected in their blood or other bodily substance
- Creates a zero-tolerance THC standard for underage drivers, compared to the 5 ng/ml threshold that applies to drivers 21 and older
- Parallels existing Montana law that sets a lower alcohol threshold for underage drivers (0.02 BAC) versus adult drivers (0.08 BAC)
- Amends Section 61-8-1002, MCA (Montana's driving under the influence statute)
Legislative Description
Generally revise driving under the influence laws for THC levels in drivers under 21
Transportation
Last Action
Chapter Number Assigned
5/8/2025
Committee Referrals
Judiciary3/17/2025
Highways and Transportation2/26/2025
Full Bill Text
No bill text available