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Commercial motor vehicles are divided into 3 classes based on size, weight, and functionality. You must have the proper class of CDL in order to operate the corresponding commercial motor vehicle. In addition to classes, you may also obtain endorsements for you CDL.
General Knowledge Written Exam
Combination Endorsement Written Exam
An endorsement is a designation on your CDL that indicates you are qualified to operate motor vehicles with certain characteristics not defined by the class types.
Each endorsement is associated with a letter, which will be printed on the front of the CDL. A description of the endorsement will be printed on the back of the CDL.
Displays on Driver's License as
A Endorsement (L restriction Removal)
Does not print on driver's license
Allows the customer to operate commercial motor vehicles with airbrakes. The A Endorsement is implied in the absence of an L Restriction
Written exam and road test
Allows the customer to carry passengers in a commercial motor vehicle
Allows the customer to carry hazardous materials or waste in a commercial motor vehicle
Written exam and Transportation Security Administration threat assessment*
Allows the customer to haul liquids in bulk in a commercial motor vehicle
This is a combination of the N Endorsement and the H Endorsement. If a customer has both the N Endorsement and the H Endorsement, his/her Commercial Driver's License will display the X Endorsement.
Allows the customer to pull double or triple trailers. This endorsement is only available for Class A driver's licenses. However, it is not a requirement for obtaining a Class A driver's license
Allows the customer to transport students in a full-sized school bus
*There are two requirements you must meet before obtaining or renewing a Hazardous Materials Endorsement.
Call 1 (877) 429-7746 or go to https://universalenroll.dhs.gov/ to begin the process.
All CDL drivers are required under federal regulation to inform the RMV of the type of commerce they plan to operate within (interstate or intrastate) and whether or not you are required to hold a medical certificate. This notification is called self-certification. It is called self-certification because the driver alone needs to determine the self-certification category he/she falls into based on his/her driving information.
If you wish to obtain, or who currently hold a CDL that is being renewed, upgraded, or transferred from another state, you will be required to complete the CDL Self-Certification. The CDL Self-Certification Form and a copy of the medical certificate, if applicable, must be presented at the time of the transaction.
If your medical examiner's certificate is only valid with a vision, diabetes, or skills performance evaluation variance granted by the Federal Motor Carrier Safety Administration (FMCSA), you will also need to provide this documentation to the RMV.