§FMCSR.com
Historical textIn force on Oct. 1, 2013Source: annual CFR editions 2013–2016

§ 392.9b Prohibited transportation.

Wording in the annual edition revised as of Oct. 1, 2013, superseded January 1, 2017.

govinfo, 2013 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2013 edition's wording. An amendment that took effect between Oct. 1, 2013 and Oct. 1, 2013 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
What changedOct. 1, 1996 wording → Oct. 1, 2013 wording+69 added−57 removedHide

A(a) driverUSDOT whoseRegistration hearingrequired. meetsA thecommercial minimummotor requirementsvehicle ofproviding §transportation 391.41(b)in (11)interstate ofcommerce thismust subchapternot onlybe whenoperated he/shewithout wears a hearingUSDOT aidRegistration shalland wearan aactive hearingUSDOT aidNumber.
(b) andPenalties. haveIf it inis operationdetermined atthat allthe timesmotor whilecarrier he/sheresponsible isfor driving.the Theoperation driverof mustsuch alsoa havevehicle is operating in his/herviolation possessionof paragraph (a) spareof powerthis sourcesection, forit usemay be subject to penalties in theaccordance hearingwith aid49 U.S.C. 521.
[3678 FR 1285752655, JulyAug. 823, 19712013]

49 CFR § 392.9b — Prohibited transportation.. Text in force on October 1, 2013. This wording effective October 1, 2013 to January 1, 2017. Source: govinfo, 2013 edition, https://www.govinfo.gov/app/details/CFR-2013-title49-vol5/CFR-2013-title49-vol5-sec392-9b. Retrieved from FMCSR.com, https://fmcsr.com/reg/392.9b?asof=2013-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) USDOT Registration required. A commercial motor vehicle providing transportation in interstate commerce must not be operated without a USDOT Registration and an active USDOT Number.

(b) Penalties. If it is determined that the motor carrier responsible for the operation of such a vehicle is operating in violation of paragraph (a) of this section, it may be subject to penalties in accordance with 49 U.S.C. 521.

[78 FR 52655, Aug. 23, 2013]

Amendment history

3 distinct wordings on file since Oct. 1, 1996
  1. Jan. 1, 2017 → presenteCFR, day-precisediff vs. previous
    [78 FR 52655, Aug. 23, 2013, as amended at 81 FR 68358, Oct. 4, 2016]
  2. Oct. 1, 2013 → Jan. 1, 2017annual editions 2013–2016diff vs. previousviewing
    [78 FR 52655, Aug. 23, 2013]
  3. Oct. 1, 1996 → Oct. 1, 1998annual edition 1996
    [36 FR 12857, July 8, 1971]

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.