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Return to duty, the right way.

A plain-language guide to the DOT SAP evaluation process, and a nationwide directory of Substance Abuse Professionals qualified to clear you for safety-sensitive duty.

Search the SAP directory

Nationwide listing of DOT-qualified Substance Abuse Professionals.

Independent directory. Listing does not constitute DOT endorsement.

Find your role in the process

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Drivers & operators

Violated a drug or alcohol regulation? Here's exactly what has to happen before you can return to safety-sensitive duty.

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Employers & DERs

Your responsibilities as a Designated Employer Representative under Part 40, from referral through clearance.

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Providers & SAPs

Get listed in the directory, or connect with continuing education and treatment resources.

The return-to-duty process

Federal regulation lays out a specific sequence. Skipping a step means starting over.

1

Drug or Alcohol Violation

A safety-sensitive employee fails or refuses a drug or alcohol test.

2

SAP Evaluation

A DOT-qualified SAP evaluates the employee face-to-face.

3

4

5

Education or Treatment

The employee completes the SAP's recommended program.

Follow-up Evaluation

The SAP confirms compliance and clears the employee to test.

Return-to-duty Test

A negative, directly observed test result clears the employee to resume duty.

49 CFR Part 40

Federal regulation prohibits a safety-sensitive employee from returning to duty until a DOT-qualified Substance Abuse Professional has confirmed successful compliance with the recommended education or treatment program.

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