A. A commercial driver's instruction permit may be issued to an individual who holds a valid driver's license.
B. The commercial driver's instruction permit may be issued for a period not to exceed one year; provided that a knowledge exam is passed prior to each issuance. The holder of a commercial driver's instruction permit may drive a commercial motor vehicle on a highway only when accompanied by the holder of a commercial driver's license valid for the type of vehicle driven, who occupies a seat beside the individual for the purpose of giving instruction in driving the commercial motor vehicle.