21 Del. C. § 2607: Commercial driver license required.

(a) Except when driving under a CLP and accompanied by the holder of a commercial driver license valid for the vehicle being driven or while being tested by the Department for a commercial driver’s license, no person may drive a commercial motor vehicle unless the person holds a commercial driver license and applicable endorsements valid for the vehicle being driven and is in possession of such license.

(b) No person may drive a commercial motor vehicle while that person’s driving privilege is denied, withdrawn, barred, canceled, suspended, revoked, or disqualified.

(c) No person may drive a commercial motor vehicle in violation of an out-of-service order.

(d) No person may drive a commercial motor vehicle while an out-of-service order is in effect while transporting hazardous materials required to be placarded or while operating a vehicle designed to transport 16 or more passengers, including the driver.

(e) Conditional or occupational licenses may not be issued to holders of a CDL or CLP, nor may any person drive a commercial motor vehicle while in possession of a conditional or occupational license.

(f) Any violation of this section shall be an unclassified misdemeanor, with the penalties set forth in § 2622 of this title.