Chapter 12. License Restriction Codes License Restriction Codes The following restrictions on driver's permits/licenses are based on medical conditions that require the customer to wear/carry specific equipment while driving, or make specific changes to his/her vehicle. The various restrictions are: Restriction Class B C D E F G J P R S W V Description Corrective Lenses Mechanical Aid Prosthetic Aid Automatic Transmission Outside Mirrors Daylight -Only Other - Restriction Defined on the back of License For Use with Certified Driving Instructor Only Bioptic Telescopic Lens Proof of Current Blood Sugar Level Commercial Motor Vehicle Intrastate Only with Medical Waiver Commercial Motor Vehicles Interstate Federal Medical Variance 12/16