49 CFR 40.277 - Are alcohol tests other than saliva or breath permitted under these regulations?

Regulations last checked for updates: Feb 10, 2026

Title 49 - Transportation last revised: Feb 03, 2026

View all text of Subpart N [§ 40.261 - § 40.277]

§ 40.277 - Are alcohol tests other than saliva or breath permitted under these regulations?

No, other types of alcohol tests (e,g., blood and urine) are not authorized for testing done under this part. Only saliva or breath for screening tests and breath for confirmation tests using approved devices are permitted.

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 40.277