49 CFR § 40.5 Procedures for Transportation Workplace Drug and Alcohol Testing Programs

§ 40.5 Who issues authoritative interpretations of this regulation?

Current through Sep 25, 2026 · Read all of Part 40

⚠ 1 pending change to Part 40

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.

← § 40.3 What do the terms used in this part mean?§ 40.7 How can you get an exemption from a requirement in this regulation? →