Historical textIn force on Oct. 1, 2006Source: annual CFR editions 1996–2010
§ 383.155 Tamperproofing requirements.
Wording first on file in the 1996 annual edition, superseded by the 2011 annual edition.
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2006 edition's wording. An amendment that took effect between Oct. 1, 2006 and Oct. 1, 2006 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 383.155 — Tamperproofing requirements.. Text in force on October 1, 2006. This wording effective October 1, 1996 to October 1, 2011. Source: govinfo, 2006 edition, https://www.govinfo.gov/app/details/CFR-2006-title49-vol5/CFR-2006-title49-vol5-sec383-155. Retrieved from FMCSR.com, https://fmcsr.com/reg/383.155?asof=2006-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.
States shall make the CDL tamperproof to the maximum extent practicable. At a minimum, a State shall use the same tamperproof method used for noncommercial drivers' licenses.
Amendment history
2 distinct wordings on file since Oct. 1, 1996- [76 FR 26893, May 9, 2011]
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.