Current textIn force on Sept. 30, 2005Source: annual CFR editions 1999–2016
§ 383.21 Number of drivers' licenses.
Current wording, in the annual edition revised as of Oct. 1, 1999.
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 Sept. 30, 2005 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 383.21 — Number of drivers' licenses.. Text in force on September 30, 2005. This wording effective October 1, 1999 to present. Source: govinfo, 2004 edition, https://www.govinfo.gov/app/details/CFR-2004-title49-vol4/CFR-2004-title49-vol4-sec383-21. Retrieved from FMCSR.com, https://fmcsr.com/reg/383.21?asof=2005-09-30, on October 26, 2026. Unofficial compilation; verify against the official source.
No person who operates a commercial motor vehicle shall at any time have more than one driver's license.
[64 FR 48110, Sept. 2, 1999]
Amendment history
2 distinct wordings on file since Oct. 1, 1996- [64 FR 48110, Sept. 2, 1999]
- Oct. 1, 1996 → Oct. 1, 1999annual editions 1996–1998
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.