§FMCSR.com
Current textSource: eCFR

§ 383.155 Tamperproofing requirements.

Current wording, in the annual edition revised as of Oct. 1, 2011.

eCFR (current) ↗
What changedOct. 1, 1996 wording → Oct. 1, 2011 wording (current)+10 added−2 removedHide

States shallmust make the CLP and CDL tamperproof to the maximum extent practicable. At a minimum, a State shallmust use the same tamperproof method used for noncommercial drivers' licenses.
[76 FR 26893, May 9, 2011]

49 CFR § 383.155 — Tamperproofing requirements.. Text current through October 22, 2026. This wording effective October 1, 2011 to present. Source: eCFR (current), https://www.ecfr.gov/current/title-49/section-383.155. Retrieved from FMCSR.com, https://fmcsr.com/reg/383.155, on October 26, 2026. Unofficial compilation; verify against the official source.

States must make the CLP and CDL tamperproof to the maximum extent practicable. At a minimum, a State must use the same tamperproof method used for noncommercial drivers' licenses.

[76 FR 26893, May 9, 2011]

Amendment history

2 distinct wordings on file since Oct. 1, 1996
  1. Oct. 1, 2011 → presentannual editions 2011–2016diff vs. previousviewing
    [76 FR 26893, May 9, 2011]
  2. Oct. 1, 1996 → Oct. 1, 2011annual editions 1996–2010

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.