1(1) If otherwise qualified an individual 18 years of age or older who holds a valid driver’s license may be issued a commercial driver’s instructional permit. 27Instructional permits are valid for six months. One six-month extension is permitted.
39(2) An individual who holds a commercial driver instructional permit may, unless otherwise disqualified, drive a commercial motor vehicle only when accompanied by 62a driver 21 years of age or older who is holding a CDL valid for the type of vehicle being driven and who is occupying the closest seat to the right of the driver, 96for the purpose of giving instructions in driving the commercial motor vehicle.