Subpart B—Single license requirement RegSenseCommercial drivers license CDLFleet SafetyFederal Motor Carrier Safety Administration (FMCSA), DOTCFR SubpartCFR RegulationsTransportationFocus AreaEnglishCommercial drivers license CDLUSA
§383.21 Number of drivers’ licenses.§383.23 Commercial driver’s license.§383.25 Commercial learner’s permit (CLP).['Commercial drivers license CDL']['Commercial drivers license CDL']