49 CFR 40.5 - Who issues authoritative interpretations of this regulation?

Regulations last checked for updates: Apr 30, 2025

Title 49 - Transportation last revised: Mar 20, 2025

View all text of Subpart A [§ 40.1 - § 40.7]

§ 40.5 - Who issues authoritative interpretations of this regulation?

ODAPC and the DOT Office of General Counsel (OGC) provide written interpretations of the provisions of this part. These written DOT interpretations are the only official and authoritative interpretations concerning the provisions of this part. DOT agencies may incorporate ODAPC/OGC interpretations in written guidance they issue concerning drug and alcohol testing matters. Only Part 40 interpretations issued after August 1, 2001, are considered valid.

authority: 49 U.S.C. 102,301,322,5331,20140,31306,and

source: 65 FR 79526, Dec. 19, 2000, unless otherwise noted.

cite as: 49 CFR 40.5