USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

When are drivers subject to the DOT Drug and Alcohol testing requirements?

Document
FMCSA-D&A-382.103-FAQ003 tmw.docx (24.92 KB)

Guidance on when a driver is subject to the FMCSA drug and alcohol testing requirements.

Question:

When are drivers subject to the DOT Drug and Alcohol testing requirements?

Answer:

All drivers that operate in commerce a commercial motor vehicle, as defined in 49 CFR §382.107, which requires a driver holding a commercial driver’s license or commercial learner’s permit, are subject to the Drug and Alcohol testing requirements in 49 CFR parts 40 and 382. See 49 CFR §382.103 and §383.3. This includes, but is not limited to: full time, regularly-employed drivers; casual, intermittent or occasional drivers; leased drivers, and independent owner-operator contractors. See the definition of “driver” in §382.107.

Regulatory Topic: Guidance on when a driver is subject to the FMCSA drug and alcohol testing requirements.
Effective Date: Tuesday, July 9, 2019
Issued Date: Tuesday, July 9, 2019