Historical textIn force on Oct. 1, 2005Source: annual CFR editions 1996–2011
§ 382.201 Alcohol concentration.
Wording first on file in the 1996 annual edition, superseded by the 2012 annual edition.
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2005 edition's wording. An amendment that took effect between Oct. 1, 2005 and Oct. 1, 2005 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 382.201 — Alcohol concentration.. Text in force on October 1, 2005. This wording effective October 1, 1996 to October 1, 2012. Source: govinfo, 2005 edition, https://www.govinfo.gov/app/details/CFR-2005-title49-vol5/CFR-2005-title49-vol5-sec382-201. Retrieved from FMCSR.com, https://fmcsr.com/reg/382.201?asof=2005-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.
No driver shall report for duty or remain on duty requiring the performance of safety-sensitive functions while having an alcohol concentration of 0.04 or greater. No employer having actual knowledge that a driver has an alcohol concentration of 0.04 or greater shall permit the driver to perform or continue to perform safety-sensitive functions.
Amendment history
2 distinct wordings on file since Oct. 1, 1996- [66 FR 43103, Aug. 17, 2001, as amended at 77 FR 4483, Jan. 30, 2012]
A 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.