Tag: 49_cfr_part_40

Transportation Department Clarifies Marijuana Drug Test Verification Rules

15 May 2026 1:41 p.m. · Source: DOT - Office of Drug & Alcohol Policy & Compliance

The Department of Transportation's ODAPC and OGC have issued new official guidance for 49 CFR Part 40, clarifying what Medical Review Officers should not consider when verifying positive marijuana drug test results.

Politics and Government Law Enforcement Business Federal Government Legal Transportation Employment and Labor Social Issues U.S. Department of Transportation Drug Testing Marijuana Medical Review Officer Regulatory Guidance 49 CFR Part 40 Office of Drug and Alcohol Policy and Compliance