Written by the America’s Driving Force team · Reviewed by Joel Curtis, retired professional truck driver · Published September 29, 2026 · Last reviewed September 29, 2026 · Sources are listed at the end
A commercial learner's permit (CLP) lets you practice driving a commercial vehicle on public roads, but only with a qualified CDL holder beside you. Federal rules require holders to be at least 18, pass a general knowledge test and hold a valid state license. A CLP is required before a first CDL, and you must hold it 14 days before the skills test.
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What a commercial learner's permit is
A commercial learner’s permit (CLP) is the first document in the path to a CDL. FMCSA describes it as a permit that only authorizes you to practice on public roads with a qualified CDL holder sitting next to you. The federal regulation behind it, 49 CFR 383.25, treats a CLP as a valid CDL for behind-the-wheel training on public roads, but only when a set of minimum conditions is met. And it makes the permit a requirement: issuing a CLP is a precondition to the initial issuance of a CDL, and also to a CDL upgrade if the upgrade requires a skills test.
Like the CDL, the permit is issued by your state, not by FMCSA. FMCSA’s page (last updated December 8, 2025) notes that each state has its own process, so use your state’s CDL manual alongside the federal minimums described here.
Federal conditions for using a CLP
According to 49 CFR 383.25, a CLP holder may practice driving on public roads only if all of the following are true:
- The holder is always accompanied by the holder of a valid CDL who has the right vehicle group and endorsements to operate that vehicle and is otherwise authorized to drive it on that trip. The CDL holder must be physically in the front seat next to the permit holder (or, in a passenger vehicle, directly behind the driver or in the first row behind) and must have the permit holder under observation and direct supervision.
- The holder has a valid driver’s license issued by the same jurisdiction that issued the permit.
- The holder has passed a general knowledge test that meets the federal standards for the type of vehicle they operate or expect to operate.
- The holder is at least 18 years old.
- The holder is not operating a commercial motor vehicle that transports hazardous materials.
The permit must also be a separate document from the CDL or the non-CDL license, and it is not a license to drive alone.
What your state checks when you apply
FMCSA’s CDL page lists what the state checks when you apply. Your driving record is checked for the last 10 years in all 50 states and the District of Columbia. You must bring proof, accepted by your state, that you are medically qualified. FMCSA says most types of commercial driving require a DOT medical card, which requires a DOT physical. Your state may also require specific documents for proof of your name and residency, and there are fees. FMCSA suggests that reading and following the instructions in your state’s CDL manual makes the process smoother.
Passing all the knowledge tests for the type of driving you want is part of getting the permit, but FMCSA notes it involves more than that. Because processes differ, ask your state licensing agency for its current document list, fees and testing schedule before you go in.
Endorsements you can and cannot have on a CLP
You can add a few endorsements to a CLP, but not all of them. Under 49 CFR 383.93 and 383.25, the only endorsements allowed on a permit are passenger (P), school bus (S) and tank vehicle (N), and each is limited:
- A permit holder with P must have passed the passenger knowledge test, and may not drive a commercial vehicle carrying passengers except for certain federal or state auditors and inspectors, test examiners, other trainees and the accompanying CDL holder. The P endorsement must be specific to the class.
- A permit holder with S must have passed the school bus knowledge test and may not drive a school bus with passengers apart from those same exceptions.
- A permit holder with N must have passed the tank vehicle knowledge test and may operate only an empty tank vehicle, never one that previously contained hazardous materials and has not been purged of residue.
All other federal endorsements are prohibited on a permit.
How long a CLP lasts and the 14-day rule
Two timing rules matter. First, the regulation says a CLP must be valid for no more than one year from the date it was first issued without requiring the holder to retake the general and endorsement knowledge tests. A permit issued for less than a year may be renewed, provided it is not valid for more than one year from initial issuance. Second, the permit holder is not eligible to take the CDL skills test during the first 14 days after the permit is first issued. FMCSA repeats this rule on its CDL page: you must hold the CLP for 14 days and complete any applicable entry-level driver training before you are eligible for the skills test.
Because those dates are tied to the permit’s first issue, plan your training schedule around them. Check with your state on its current fees and renewal procedure, since those details are set by the state.
How the CLP fits with entry-level driver training
Entry-level driver training is the step that most often confuses new drivers. Drivers applying for a Class A or Class B CDL for the first time who were issued a CLP on or after February 7, 2022 must complete entry-level driver training with a registered provider before testing, according to FMCSA. There is no federal requirement to finish the theory portion before applying for the permit, and the Training Provider Registry FAQ confirms there is no mandatory order for theory, range and public road training, although behind-the-wheel training must be completed before the skills tests. The permit is also what lets you practice on public roads with a supervising CDL holder.
After the permit and training come the skills test and the license itself. For an overview of all three steps, read how to get a CDL without a traditional truck driving school today. You can also see who is hiring in your state in our directory of trucking companies.
Frequently asked questions
How old do I have to be to get a CLP?
49 CFR 383.25 says a CLP holder must be 18 years of age or older. Your state may have additional rules, so check with your licensing agency.
Can I drive a truck alone on a CLP?
No. The permit holder must always be accompanied by a CDL holder with the proper class and endorsements, seated in the front seat next to the permit holder and directly supervising.
How long is a CLP valid?
Federal rules say a CLP may be valid for no more than one year from its initial issue date without requiring the holder to retake the general and endorsement knowledge tests. A permit issued for less than a year may be renewed within that limit.
How soon can I take the CDL skills test after getting a CLP?
Not in the first 14 days after initial issuance. FMCSA also says applicable entry-level driver training must be completed before the skills test.
Can I haul hazardous materials on a CLP?
No. The regulation says a CLP holder may not operate a commercial motor vehicle transporting hazardous materials, and endorsements other than P, S and N are prohibited on a permit.
Related guides
- How to get a CDL without going to a traditional truck driving school
- Tips on studying for the CDL exam
- FMCSA entry-level driver training requirements
About the reviewer
Joel Curtis is a retired professional truck driver with more than 30 years of over-the-road experience in Canada and the United States. He reviews our guides for practical accuracy from a driver’s point of view. Every guide is built from the official sources listed below.
Sources
- How do I get a Commercial Driver's License?, Federal Motor Carrier Safety Administration (last updated December 8, 2025)
- 49 CFR 383.25 Commercial learner's permit (CLP), Electronic Code of Federal Regulations
- Frequently Asked Questions: Training Requirements and Curricula, FMCSA Training Provider Registry
- 49 CFR 383.93 Endorsements, Electronic Code of Federal Regulations
This guide is general information, not legal or financial advice. Rules, fees and requirements change, so confirm current details with the agencies listed above and your state before you act.