Iowa Administrative Code › Agency 761 - Transportation Department › Driver Licenses › Chapter 607 - Commercial Driver Licensing › Rule 761-607.18 - Restrictions

Current through Register Vol. 47, No. 3, July 24, 2024
The restrictions that may limit commercial motor vehicle
				  operation with a commercial driver's license are listed in 761-subrule 605.8(3)
				  and are explained below:
(1)
Air brake.
The air brake restriction (L, no air brake equipped
				CMV) applies to a licensee who either fails the air brake component of the
				knowledge test or performs the skills test in a vehicle not equipped with air
				brakes and prohibits the operation of a commercial motor vehicle equipped with
				an air brake system until the licensee passes the required air brake tests and
				pays the fee for upgrading the license. Retesting and fee payment are not
				required when the license is renewed.
(2)
Full air brake.
The full
				air brake restriction (Z, no full air brake equipped CMV) applies to a licensee
				who performs the skills test in a vehicle equipped with air over hydraulic
				brakes and prohibits the operation of a commercial motor vehicle equipped with
				any braking system operating fully on the air brake principle until the
				licensee passes the required air brake tests and pays the fee for upgrading the
				license. Retesting and fee payment are not required when the license is
				renewed.
(3)
Manual
				transmission.
The manual transmission restriction (E, no manual
				transmission equipped CMV) applies to a licensee who performs the skills test
				in a vehicle equipped with automatic transmission and prohibits the operation
				of a commercial motor vehicle equipped with a manual transmission until the
				licensee passes the required tests and pays the fee for upgrading the license.
				Retesting and fee payment are not required when the license is
				renewed.
(4)
Tractor-trailer
The tractor-trailer restriction (O, no tractor
				trailer CMV) applies to a licensee who performs the skills test in a
				combination vehicle for a Class A commercial driver's license with the power
				unit and towed unit connected with a pintle hook or other non-fifth wheel
				connection and prohibits operation of a tractor-trailer combination connected
				by a fifth wheel that requires a Class A commercial driver's license until the
				licensee passes the required tests and pays the fee for upgrading the license.
				Retesting and fee payment are not required when the license is
				renewed.
(5)
Class A
				passenger vehicle.
The Class A passenger vehicle restriction (M, no
				Class A passenger vehicle) applies to a licensee who applies for a passenger
				endorsement and performs the skills test in a passenger vehicle that requires a
				Class B commercial driver's license and prohibits operation of a passenger
				vehicle that requires a Class A commercial driver's license.
(6)
Class A and Bpassenger
				vehicle.
The Class A and B passenger vehicle restriction (N, no Class
				A and B passenger vehicle) applies to a licensee who applies for a passenger
				endorsement and performs the skills test in a passenger vehicle that requires a
				Class C commercial driver's license and prohibits operation of a passenger
				vehicle that requires a Class A or Class B commercial driver's
				license.
(7)
Intrastate
				only.
The intrastate only restriction (K, intrastate only) applies to
				a licensee who self-certifies to non-excepted intrastate or excepted intrastate
				driving and prohibits the operation of a commercial motor vehicle in interstate
				commerce.
(8)
Medical
				variance.
The medical variance restriction (V, medical variance)
				applies to a licensee when the department is notified pursuant to
				49 CFR Section
				383.73(o)(3) that the driver
				has been issued a medical variance and indicates there is information about a
				medical variance on the CDLIS driver record.
This rule is intended to implement Iowa Code sections
				  321.189
				  and
				  321.191.