---
kind: "section"
citation: "49 C.F.R. § 383.21"
title: "49"
number: "383.21"
heading: "Number of drivers' licenses."
url: "https://uscodex.org/cfr/49/383.21"
---

# §383.21. Number of drivers' licenses.


No person who operates a commercial motor vehicle shall at any time have more than one driver's license.


## Notes

### Amendments

[64 FR 48110, Sept. 2, 1999]

### Authority

Authority: 49 U.S.C. 521, 31136, 31301, et seq., and 31502; secs. 214 and 215 of Pub. L. 106-159, 113 Stat. 1748, 1766, 1767; sec. 1012(b) of Pub. L. 107-56, 115 Stat. 272, 397, sec. 4140 of Pub. L. 109-59, 119 Stat. 1144, 1746; sec. 32934 of Pub. L. 112-141, 126 Stat. 405, 830; secs. 5401 and 7208, Pub. L. 114-94, 129 Stat. 1312, 1546, 1593 (49 U.S.C. 31305(d)), sec. 23019 of Pub. L. 117-58, 135 Stat. 429, 777; and 49 CFR 1.87.

### Source

Source: 52 FR 20587, June 1, 1987, unless otherwise noted.

### Amendments

[64 FR 48110, Sept. 2, 1999]