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Regulations last checked for updates: Apr 23, 2026
Title 49 - Transportation last revised: Apr 20, 2026
All Titles
Title 49
Chapter III
Part 383
Subpart B - Subpart B—Single License Requirement
§ 383.21 - Number of drivers' licenses.
§ 383.23 - Commercial driver's license.
§ 383.25 - Commercial learner's permit (CLP).
authority:
49 U.S.C. 521
,
31136
,
31301
,
source:
52 FR 20587, June 1, 1987, unless otherwise noted.
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