Historical textIn force on Oct. 1, 2004Source: annual CFR editions 1996–2004
§ 393.1 Scope of the rules of this part.
Wording first on file in the 1996 annual edition, superseded by the 2005 annual edition.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 § 393.1 — Scope of the rules of this part.. Text in force on October 1, 2004. This wording effective October 1, 1996 to October 1, 2005. Source: govinfo, 2004 edition, https://www.govinfo.gov/app/details/CFR-2004-title49-vol4/CFR-2004-title49-vol4-sec393-1. Retrieved from FMCSR.com, https://fmcsr.com/reg/393.1?asof=2004-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.
Every employer and employee shall comply and be conversant with the requirements and specifications of this part. No employer shall operate a commercial motor vehicle, or cause or permit it to be operated, unless it is equipped in accordance with the requirements and specifications of this part.
[54 FR 48617, Nov. 24, 1989]
Amendment history
4 distinct wordings on file since Oct. 1, 1996- [70 FR 48025, Aug. 15, 2005, as amended at 73 FR 76823, Dec. 17, 2008; 81 FR 47721, July 22, 2016]
- [70 FR 48025, Aug. 15, 2005, as amended at 73 FR 76823, Dec. 17, 2008]
- [70 FR 48025, Aug. 15, 2005]
- [54 FR 48617, Nov. 24, 1989]
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.