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Reading the regulations as they stood on October 1, 2016. Current text may differ.Switch to current
Current textIn force on Oct. 1, 2016Source: annual CFR edition 2016

§ 392.1 Scope of the rules in this part.

Current wording, in the annual edition revised as of Oct. 1, 2016.

govinfo, 2016 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2016 edition's wording. An amendment that took effect between Oct. 1, 2016 and Oct. 1, 2016 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 392.1 — Scope of the rules in this part.. Text in force on October 1, 2016. This wording effective October 1, 2016 to present. Source: govinfo, 2016 edition, https://www.govinfo.gov/app/details/CFR-2016-title49-vol5/CFR-2016-title49-vol5-sec392-1. Retrieved from FMCSR.com, https://fmcsr.com/reg/392.1?asof=2016-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) Every motor carrier, its officers, agents, representatives, and employees responsible for the management, maintenance, operation, or driving of commercial motor vehicles, or the hiring, supervising, training, assigning, or dispatching of drivers, shall be instructed in and comply with the rules in this part.

(b) The rules in this part do not apply to drivers of “pipeline welding trucks” as defined in 49 CFR 390.38(b).

[53 FR 18057, May 19, 1988, as amended at 60 FR 38746, July 28, 1995; 81 FR 47721, July 22, 2016]

Amendment history

2 distinct wordings on file since Oct. 1, 1996
  1. Oct. 1, 2016 → presentannual edition 2016diff vs. previousviewing
    [53 FR 18057, May 19, 1988, as amended at 60 FR 38746, July 28, 1995; 81 FR 47721, July 22, 2016]
  2. Oct. 1, 1996 → Oct. 1, 2016annual editions 1996–2015
    [53 FR 18057, May 19, 1988, as amended at 60 FR 38746, 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.