420 with CNW — DOT Says Marijuana Rescheduling Doesn’t Change Drug Testing Requirements
Commercial drivers and other safety-sensitive transportation workers will remain subject to penalties if they use state-legal medical marijuana, according to updated guidance from the Department of Transportation (DOT). The clarification, issued in a memorandum dated May 26, confirms that federal drug testing rules have not shifted, even after the Department of Justice moved to reclassify state-approved medical marijuana. The memo stresses that cannabis obtained through state medical programs or other non-prescription channels cannot be considered a valid medical justification under federal testing standards. It points to 49 CFR § 40.137(a), which defines what qualifies as a legitimate medical explanation in workplace drug testing. According to…

















