Endorsements and restrictions

Endorsements to your CDL allow you to operate certain types of CMVs, haul HAZMAT, or carry passengers. Restrictions limit the types of CMVs you can drive and what you can carry.

Effective January 2017 Commercial Learner Permits (CLPs) will contain the following:

CLP Endorsements

Endorsement Description
P Passenger endorsement
Required for drivers of passenger vehicles designed to carry 16 or more people (including the driver).
S School bus endorsement
Required for drivers who operate any size of school bus. A school bus is a vehicle regularly used to transport children to and from school or in conjunction with school activities, which meets the school bus specifications established by the Superintendent of Public Instruction.
N Tank vehicle endorsement
Required for any CMV designed to transport liquid or gaseous materials within a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more, that is either permanently or temporarily attached to the vehicle or the chassis.

CLP Restrictions

Restriction Description
P No passengers in CMV bus
X No cargo in the CMV tank vehicle
L No air brake-equipped CMV
V Medical variance
M No Class A passenger vehicle
N No Class A and B passenger vehicle
K Intrastate only

New CDL issuances effective January 2017

Endorsements

Endorsement Description
P Passenger endorsement
Required for drivers of passenger vehicles designed to carry 16 or more people (including the driver). Note: New M & N restrictions have replaced P1 and P2 on the previous P endorsement.
S School bus endorsement
Required for drivers who drive any size of school bus. A school bus is a vehicle regularly used to transport children to and from school or in conjunction with school activities, which meets the school bus specifications established by the Superintendent of Public Instruction.
T Double and triple trailers endorsement
Required for drivers pulling sets of double or triple trailers.
N Tank vehicle endorsement
Required for any CMV designed to transport liquid or gaseous materials within a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more, that is either permanently or temporarily attached to the vehicle or the chassis.
H Hazardous materials endorsement
Required for drivers of any size vehicle used to transport material that requires hazardous material placards or any quantity of a material listed as a select agent or toxin in 42 CFR 73.
X Combination of tank vehicle endorsement and hazardous materials endorsement

Restrictions

Restriction Description
L No air brake-equipped CMV
Skills test taken in a vehicle not equipped with air brakes or air brake knowledge test not taken.
Z No full air brake equipped CMV
Skills test taken in a vehicle equipped with air over hydraulic brakes.
E No manual transmission equipped CMV
Skills test taken in a vehicle equipped with an automatic transmission.
O No tractor-trailer CMV
Skills test taken in a combination vehicle for a Group A CDL with the power unit and towed unit connected with a pintle hook or other non-fifth wheel connection.
M No Class A passenger vehicle
Skills test taken in a Class B bus.
N No Class A and B passenger vehicle
Skills test taken in a Class C bus.
K Intrastate only
Driver self-certified as Non-excepted Intrastate or is under 21 years old.
V Medical variance
Applicant has either a federal or state medical waiver.

CDL issuances prior to January 2017

Endorsements

Endorsement Description
P1 Class B passenger vehicle
Required for drivers of vehicles weighing 26,001 lbs. or more designed to carry 16 or more people (including the driver).
P2 Class C passenger vehicle
Required for drivers of vehicles weighing 26,000 lbs. or less, designed to carry 16 or more people (including the driver).
S School bus endorsement
Required for drivers who drive any size of school bus. A school bus is a vehicle regularly used to transport children to and from school or in conjunction with school activities, which meets the school bus specifications established by the Superintendent of Public Instruction.
T Double and triple trailers endorsement
Required for drivers pulling sets of double or triple trailers
N Tank vehicle endorsement
Required for any CMV designed to transport liquid or gaseous materials within a tank or tanks having an individual rated capacity of more than 119 gallons and an aggregate rated capacity of 1,000 gallons or more, that is either permanently or temporarily attached to the vehicle or the chassis.
H Hazardous materials endorsement
Required for drivers of any size vehicle used to transport material that requires hazardous material placards or any quantity of a material listed as a select agent or toxin in 42 CFR 73.
X Combination of tank vehicle endorsement and hazardous materials endorsement

Restrictions

Restriction Description
K Air brakes restriction
Drivers of CMVs with air brakes must pass the required tests for air brakes. Drivers who don't pass these tests are restricted on their CDL to non-air brake vehicles.
U CDL intrastate only restriction
Drivers of CDL vehicles who are restricted to driving only within Washington, either because of medical self-certification or the driver is under the age of 21.
V CDL medical variance (waiver)

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