Part 199 —  Drug And Alcohol Testing

Authority: 49 U.S.C. 5103, 60102, 60104, 60108, 60117, and 60118; 49 CFR 1.97.

Source: 53 FR 47096, Nov. 21, 1988, unless otherwise noted.

Source: Amdt. 199-9, 59 FR 7430, Feb. 15, 1994, unless otherwise noted. Redesignated by Amdt. 199-19, 66 FR 47118, Sept. 11, 2001.