Current textIn force on Oct. 1, 2014Source: annual CFR editions 1996–2016

§ 392.66 Carbon monoxide; use of commercial motor vehicle when detected.

Current wording, first on file in the 1996 annual edition.

govinfo, 2014 edition ↗

Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2014 edition's wording. An amendment that took effect between Oct. 1, 2014 and Oct. 1, 2014 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.

49 CFR § 392.66 — Carbon monoxide; use of commercial motor vehicle when detected.. Text in force on October 1, 2014. This wording effective October 1, 1996 to present. Source: govinfo, 2014 edition, https://www.govinfo.gov/app/details/CFR-2014-title49-vol5/CFR-2014-title49-vol5-sec392-66. Retrieved from FMCSR.com, https://fmcsr.com/reg/392.66?asof=2014-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) No person shall dispatch or drive any commercial motor vehicle or permit any passengers thereon, when the following conditions are known to exist, until such conditions have been remedied or repaired:

(1) Where an occupant has been affected by carbon monoxide;

(2) Where carbon monoxide has been detected in the interior of the commercial motor vehicle;

(3) When a mechanical condition of the commercial motor vehicle is discovered which would be likely to produce a hazard to the occupants by reason of carbon monoxide.

(b) [Reserved]

[60 FR 38747, July 28, 1995]

Amendment history

1 distinct wording on file since Oct. 1, 1996

Oct. 1, 1996 → presentannual editions 1996–2016viewing
[60 FR 38747, July 28, 1995]

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.