Indicate whether the driver’s license is a commercial driver license (CDL).
00 - No is to be selected when this driver’s license is not a commercial driver’s license.
01 - Yes is used when this driver’s license is a commercial driver’s license.
97 - Not a Driver is to be used ONLY when this person is NOT a 01 - Driver of a Motor Vehicle In-Transport.
99 - Unknown is used when it is unknown if this driver has a commercial driver license (e.g., hit-and-run).