§FMCSR.com
Current textSource: eCFR

§ 392.9b b Prohibited transportation.

Current wording, effective January 1, 2017.

eCFR (current) ↗
What changedOct. 1, 1996 wording → Jan. 1, 2017 wording (current)+78 added−57 removedHide

A(a) driverSafety whoseregistration hearingrequired. meetsA thecommercial minimummotor requirementsvehicle ofproviding §transportation 391.41(b)in (11)interstate ofcommerce thismust subchapternot onlybe whenoperated he/shewithout wears a hearingsafety 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, as amended at 81 FR 68358, Oct. 4, 2016]

49 CFR § 392.9b — b Prohibited transportation.. Text current through October 22, 2026. This wording effective January 1, 2017 to present. Source: eCFR (current), https://www.ecfr.gov/current/title-49/section-392.9b. Retrieved from FMCSR.com, https://fmcsr.com/reg/392.9b, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) Safety registration required. A commercial motor vehicle providing transportation in interstate commerce must not be operated without a safety 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, as amended at 81 FR 68358, Oct. 4, 2016]

Amendment history

3 distinct wordings on file since Oct. 1, 1996
  1. Jan. 1, 2017 → presenteCFR, day-precisediff vs. previousviewing
    [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. previous
    [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. Set a case date in the header to read any earlier wording.