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Drug & Alcohol Program: Clarifications & Interpretations

DOT Office of Drug And Alcohol Policy and Compliance Notice - Recreational Marijuana    
Date: December 2012

DOT Office of Drug And Alcohol Policy and Compliance Notice - Medical Marijuana
Date: October 2009

Frequently Asked Questions regarding the January, 2007 Notice of random drug and alcohol testing rate. The notice announces the random testing rates for employers subject to the Federal Transit Administration's (FTA) drug and alcohol rules. (49 CFR Part 655)
Date: January, 2007

Drug and alcohol testing procedures with respect to adulterated, substituted, and diluted specimen results - Summary (49 CFR Part 40)
Date: November, 2004

Official and authoritative guidance and interpretation concerning 49 CFR Part 40 from the Office of General Counsel and the Office of Drug and Alcohol Policy and Compliance.
Date: June, 2004

DOT HIPAA Responses
Date: May, 2003

Drug and Alcohol Testing Regulations Interpretation Letters from the Office of the Chief Counsel
Date: May 2002

Last updated: Thursday, February 4, 2016