Historical textIn force on Sept. 30, 2000Source: annual CFR editions 1996–2000

§ 40.1 Applicability.

Wording first on file in the 1996 annual edition, superseded by the 2001 annual edition.

govinfo, 1999 edition ↗

Compare with

Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 1999 edition's wording. An amendment that took effect between Oct. 1, 1999 and Sept. 30, 2000 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.

49 CFR § 40.1 — Applicability.. Text in force on September 30, 2000. This wording effective October 1, 1996 to October 1, 2001. Source: govinfo, 1999 edition, https://www.govinfo.gov/app/details/CFR-1999-title49-vol1/CFR-1999-title49-vol1-sec40-1. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.1?asof=2000-09-30, on October 26, 2026. Unofficial compilation; verify against the official source.

This part applies, through regulations that reference it issued by agencies of the Department of Transportation, to transportation employers, including self-employed individuals, required to conduct drug and/or alcohol testing programs by DOT agency regulations and to such transportation employers’ officers, employees, agents and contractors (including, but not limited to, consortia). Employers are responsible for the compliance of their officers, employees, agents, consortia and/or contractors with the requirements of this part.

Amendment history

2 distinct wordings on file since Oct. 1, 1996

Oct. 1, 2001 → presentannual editions 2001–2016diff vs. previous
Oct. 1, 1996 → Oct. 1, 2001annual editions 1996–2000viewing

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.