355.04 COMMERCIAL DRIVER'S LICENSE REQUIRED.
   (a)   Except when driving under a commercial driver's instruction permit accompanied by the holder of a commercial driver's license valid for the vehicle being driven, no person shall drive a commercial motor vehicle unless the person holds a commercial driver's license and applicable endorsements valid for the vehicle they are driving.
   (b)   No person shall drive a commercial motor vehicle while their driving privilege is suspended, revoked, canceled, expired, subject to a disqualification, or in violation of an out-of-service order.
   (c)   Drivers of a commercial motor vehicle shall have a commercial driver's license in their possession at all times while driving.
(WVaC 17E-1-7)