what does cdl stand for in driving
License standards. This regulation is referred to as the âCDL Permit Ruleâ. The Massachusetts. RMV will implement the rule starting in July 2016. The Commercial Driverâs License is referred to as the âCDLâ and the Commercial Learnerâs. Permit is referred to as the CLP. A Commercial Motor Vehicle is referred to as a âCMVâ. To obtain and keep a Massachusetts CLP, an applicant must possess a. Massachusetts Class D license .