(a)Training providers must require all accepted applicants for behind-the-wheel (BTW) training to certify that they will comply with U.S. Department of Transportation regulations in parts 40, 382, 383, and 391, as well as State and/or local laws, related to controlled substances testing, age, medical certification, licensing, and driving record. Training providers must verify that all accepted BTW applicants or Class A theory instruction upgrade curriculum applicants hold a valid commercial learner's permit or commercial driver's license, as applicable.