761—605.7(321) Endorsements. The endorsements shall be coded on the face of the driver’s license and explained in text on the back of the driver’s license.
	605.7(1) For a commercial driver’s license. The following endorsements may be added to a Class A, B or C commercial driver’s license using these letter codes:
H—Hazardous material
P—Passenger
N—Tank
X—Hazardous material and tank
T—Double/triple trailers
S—School bus
	605.7(2) For a commercial learner’s permit. The following endorsements are the only endorsements that may be added to a commercial learner’s permit using these letter codes. All other endorsements are prohibited on a commercial learner’s permit.
P—Passenger
N—Tank
S—School bus
	605.7(3) For a Class D driver’s license (chauffeur). The following endorsement may be added to a Class D driver’s license using this number code:
3—Passenger vehicle less than 16-passenger design
	605.7(4) Motorcycle endorsement. A motorcycle endorsement may be added to any driver’s license that permits unaccompanied driving, other than a Class M driver’s license or a motorized bicycle license, using the following letter code:
L—Motorcycle
This rule is intended to implement Iowa Code sections 321.1(8), 321.180 and 321.189.
[ARC 2071C, IAB 8/5/15, effective 7/14/15; ARC 2337C, IAB 1/6/16, effective 2/10/16; ARC 4000C, IAB 9/12/18, effective 10/17/18; ARC 4586C, IAB 7/31/19, effective 9/4/19; ARC 5942C, IAB 10/6/21, effective 11/10/21; ARC 6969C, IAB 4/5/23, effective 5/10/23]