SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/cdl-clp-one-year-limit

How long can a CLP be valid before you must retake the knowledge tests?

No more than one year from the date it was first issued.

Start playing free

  1. 6 months
  2. 2 years
  3. 1 year ✔

Why: A CLP may be valid for at most one year from its first issue date. States that issue shorter permits may renew them, but never past that one year without retesting.

Huh, didn't know that: The CLP must be a separate document from your regular license.

The dad joke
Why are clocks always tired? They work around the clock.
Like this card?
Play the game

References

Answer: 1 year. A CLP may be valid for at most one year from its first issue date. States that issue shorter permits may renew them, but never past that one year without retesting.

  1. 49 CFR 383.25 Commercial learner's permit (CLP) (eCFR) www.ecfr.gov/current/title-49/section-383.25
    The CLP must be valid for no more than one year from the initial date of issuance
    Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Cars & DrivingWhat is the minimum age to hold a commercial learner's permit (CLP)?Cars & DrivingWhich endorsements are the only ones allowed on a commercial learner's permit?Cars & DrivingWhen a CLP holder drives a truck, where must the supervising CDL holder be?

That's stuff everyone should know.