The federal government’s plan to reclassify marijuana from a Schedule I to a Schedule III drug is intended to expand medical research rather than change workplace rules. Oklahoma employers can still prohibit marijuana possession, use, or impairment at work and may continue drug testing under state law. However, the shift could lead to legal challenges from medical marijuana users and possible updates to Department of Transportation drug-testing regulations affecting safety-sensitive jobs.
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What Will Marijuana’s Impending Reclassification to a Schedule III Drug Mean for Oklahoma Employers?
May 1, 2026 | Pre-employment Drug Testing
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