N.M. Stat. § 66-5-62
Commercial driver's license; instruction permit;
application; duplicate.
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.