Part 40 Questions and Answers
The Office of General Counsel and Office of Drug and Alcohol Policy and Compliance of the Department of Transportation are providing these questions and answers. They constitute official and authoritative guidance and interpretation concerning 49 CFR Part 40 (see 49 CFR 40.5).
- July 2012 Part 40 Questions and Answers
- July 2008 Part 40 Questions and Answers
- July 2006 Part 40 Questions and Answers
- June 2004 Part 40 Questions and Answers
- November 2003 Part 40 Questions and Answers
- January 2002 Part 40 Questions and Answers
- September 2001 Part 40 Questions and Answers