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Clarifications and Interpretations

  Format Last Updated
DOT Office of Drug And Alcohol Policy and Compliance Notice - Recreational Marijuana PDF
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December, 2012
DOT Office of Drug And Alcohol Policy and Compliance Notice - Medical Marijuana PDF
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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)   HTML
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January, 2007
Drug and alcohol testing procedures with respect to adulterated, substituted, and diluted specimen results - Summary (49 CFR Part 40)   HTML
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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. PDF
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June, 2004
DOT HIPAA Responses   HTML
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May, 2003
Drug and Alcohol Testing Regulations Interpretation Letters from the Office of the Chief Counsel   HTML
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May, 2002
 
Updated: Thursday, June 15, 2017
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