(a) On or after April 1, 1992, 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 may 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 may 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.
(d) The Commissioner shall suspend for a period of sixty days the driving privileges of any person who is convicted of operating a commercial motor vehicle:
(1) Without holding a valid commercial driver's license and the applicable endorsements valid for the vehicle he or she is driving in accordance with subsection (a) of this section, or