CDLs issued by Canadian jurisdictions in conformance with the licensing standards established in the Canadian National Safety Code will be honored in the United States. Canadian drivers will not be required to obtain Nonresident CDL in order to operate commercial vehicles in this country. Moreover, to ensure the single license concept, Canadian drivers holding a commercial driver's license issued by a Canadian Jurisdiction will be prohibited from obtaining a driver's license, commercial or noncommercial, from a State or other licensing jurisdiction of the United States.