Current textIn force on Oct. 1, 2004Source: annual CFR editions 2001–2016
§ 40.277 Are alcohol tests other than saliva or breath permitted under these regulations?
Current wording, first on file in the 2001 annual edition.
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2004 edition's wording. An amendment that took effect between Oct. 1, 2004 and Oct. 1, 2004 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 40.277 — Are alcohol tests other than saliva or breath permitted under these regulations?. Text in force on October 1, 2004. This wording effective October 1, 2001 to present. Source: govinfo, 2004 edition, https://www.govinfo.gov/app/details/CFR-2004-title49-vol1/CFR-2004-title49-vol1-sec40-277. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.277?asof=2004-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.
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.
Amendment history
1 distinct wording on file since Oct. 1, 2001A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section.