Regulations last checked for updates: May 03, 2025

Title 49 - Transportation last revised: Mar 20, 2025
All TitlesTitle 49Chapter IIIPart 383Subpart B - Subpart B—Single License Requirement
View all text of Subpart B [§ 383.21 - § 383.25]
§ 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.

[64 FR 48110, Sept. 2, 1999]
authority: 49 U.S.C. 521,31136,31301
source: 52 FR 20587, June 1, 1987, unless otherwise noted.
cite as: 49 CFR 383.21
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