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Reading the regulations as they stood on September 30, 2014. Current text may differ.Switch to current
Current textIn force on Sept. 30, 2014Source: annual CFR editions 2012–2016

§ 382.201 Alcohol concentration.

Current wording, in the annual edition revised as of Oct. 1, 2012.

govinfo, 2013 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2013 edition's wording. An amendment that took effect between Oct. 1, 2013 and Sept. 30, 2014 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 September 30, 2014. This wording effective October 1, 2012 to present. Source: govinfo, 2013 edition, https://www.govinfo.gov/app/details/CFR-2013-title49-vol5/CFR-2013-title49-vol5-sec382-201. Retrieved from FMCSR.com, https://fmcsr.com/reg/382.201?asof=2014-09-30, 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 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.

[66 FR 43103, Aug. 17, 2001, as amended at 77 FR 4483, Jan. 30, 2012]

Amendment history

2 distinct wordings on file since Oct. 1, 1996
  1. Oct. 1, 2012 → presentannual editions 2012–2016diff vs. previousviewing
    [66 FR 43103, Aug. 17, 2001, as amended at 77 FR 4483, Jan. 30, 2012]
  2. Oct. 1, 1996 → Oct. 1, 2012annual editions 1996–2011

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.