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Substance Abuse Professional Guidelines

Substance Abuse Professional(SAP)

These guidelines, together with the 49 CFR Part 40, and the DOT Operating Administration rules, will provide SAPs with the information needed in the performance of their DOT-related duties.

Regulatory Topic: Drug and Alcohol Testing
DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact
Effective Date: Thursday, June 1, 2023
Issued Date: Monday, August 31, 2009