§FMCSR.com
Historical textIn force on Oct. 1, 2004Source: annual CFR editions 1999–2015

§ 381.300 What is an exemption?

Wording first on file in the 1999 annual edition, superseded by the 2016 annual edition.

govinfo, 2004 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 § 381.300 — What is an exemption?. Text in force on October 1, 2004. This wording effective October 1, 1999 to October 1, 2016. Source: govinfo, 2004 edition, https://www.govinfo.gov/app/details/CFR-2004-title49-vol4/CFR-2004-title49-vol4-sec381-300. Retrieved from FMCSR.com, https://fmcsr.com/reg/381.300?asof=2004-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) An exemption is temporary regulatory relief from one or more FMCSR given to a person or class of persons subject to the regulations, or who intend to engage in an activity that would make them subject to the regulations.

(b) An exemption provides the person or class of persons with relief from the regulations for up to two years, and may be renewed.

(c) Exemptions may only be granted from one or more of the requirements contained in the following parts and sections of the FMCSRs:

(1) Part 382—Controlled Substances and Alcohol Use and Testing;

(2) Part 383—Commercial Driver's License Standards; Requirements and Penalties;

(3) Part 391—Qualifications of Drivers;

(4) Part 392—Driving of Commercial Motor Vehicles;

(5) Part 393—Parts and Accessories Necessary for Safe Operation;

(6) Part 395—Hours of Service of Drivers;

(7) Part 396—Inspection, Repair, and Maintenance (except for § 396.25); and

(8) Part 399—Step, Handhold and Deck Requirements.

Amendment history

3 distinct wordings on file since Oct. 1, 1999
  1. July 7, 2021 → presenteCFR, day-precisediff vs. previous
    [63 FR 67608, Dec. 8, 1998, as amended at 81 FR 47720, July 22, 2016; 86 FR 35639, July 7, 2021]
  2. Oct. 1, 2016 → July 7, 2021annual edition 2016diff vs. previous
    [63 FR 67608, Dec. 8, 1998, as amended at 81 FR 47720, July 22, 2016]
  3. Oct. 1, 1999 → Oct. 1, 2016annual editions 1999–2015viewing

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.