Oklahoma’s amended medical marijuana law, effective November 1, 2026, significantly changes how employers can
handle workplace marijuana testing. The law allows employers to take action on positive marijuana tests if they have a
compliant written drug and alcohol testing policy, while narrowing the definition of “safety-sensitive” positions to those
specifically identified by statute. Employers should review and update testing policies, job classifications, and
employee communications before the law takes effect to ensure compliance.

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