From background checks to reasonable suspicion testing to the many types and panels of drug tests, Department of Transportation (DOT) testing comes with a complex set of federal regulations—and getting it wrong can be costly.

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For U.S. employers operating under DOT oversight, compliance isn’t optional. You have a legal obligation to maintain a safe, drug-free workplace, especially when safety-sensitive positions are involved.

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Understanding the rules and staying up to date with changing requirements is key to avoiding penalties, preventing incidents, and protecting your workforce.

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