A unique set of alphanumeric characters assigned by the authorizing agent issuing a driver license to the individual.
Subfield 2: Class – This indicates the type of driver’s license issued by the State and the type of motor vehicle the driver is qualified to drive.
Subfield 3: Commercial Driver License (CDL) -This indicates whether the driver license is a commercial driver license (CDL). Also, this information is important to separate the non-commercial licenses included by some States in Class C with the commercial licenses.
Subfield 4: Endorsements – This indicates any endorsements to the driver license, both commercial and non-commercial.
None / Not Applicable
T – Double/Triple Trailers
P – Passenger
N – Tank Vehicle
H – Hazardous Materials
X – Combination of Tank Vehicle and Hazardous Materials
S – School
Other non-commercial license endorsements (e.g.; motorcycle, etc.)
This information is mandated by FMCSA for commercial drivers. This element is critical to providing linkage between the crash and driver license files at the State level.