Listing of updates to the New Jersey Graduated Driver License:

November 9, 2015: T Restriction
Regulations require that a Z restriction be used on commercial driver licenses to designate “No Full Air Brake”.  Therefore, the current Z restriction that appears on NJ Graduated Driver Licenses (GDL) will be changed to a T restriction.  All GDL licenses issued up to and including November 7, 2015 will continue to have the Z restriction printed on them and will remain valid until their expiration date.
Federal Motor Carrier Safety Administration (FMCSA) – 49 C.F.R. 383.153(10)ii
N.J.A.C. 13:21-23.19(a)10(v)