DRIVER MEDICAL QUALIFICATION
DOT Medical Qualification: Expiration Dates and the NRII Transition
Federal rules generally require a driver to be medically examined and certified at least every 24 months, but many drivers receive shorter certification periods. The actual expiration date for that driver is the date to track.
Last reviewed
August 19, 2026
Written and maintained by We Heart Paperwork, built by a trucking company owner in Yakima, Washington.
Twenty-four months is a maximum, not a promise
49 CFR 391.45 generally requires a driver who has not been medically examined and certified during the preceding 24 months to be examined again.
Some drivers are subject to shorter examination intervals, and a medical examiner can issue a certificate for less than the maximum period. That is why tracking a made-up two-year date is risky: use the actual medical qualification expiration date for the driver.
NRII changed how CDL medical information moves
Under National Registry II, certified medical examiners electronically transmit examination results to FMCSA, and participating State Driver Licensing Agencies post the medical certification information to the driver's CDLIS motor vehicle record.
For motor carriers, FMCSA says the CDLIS driver MVR is now an important source of medical certification information that belongs in the driver qualification file.
The temporary paper-certificate exemption is still active
FMCSA issued a nationwide temporary exemption during the NRII transition. It allows interstate CDL/CLP holders and motor carriers to rely on a paper copy of a current Medical Examiner's Certificate as proof for up to 60 days after the certificate was issued.
The exemption runs from April 11, 2026 through October 11, 2026. FMCSA has said it does not anticipate another nationwide extension, so this page needs to be checked again before that date.
A practical renewal workflow
•
Schedule the physical before the saved expiration date
•
Use an examiner listed on FMCSA's National Registry
•
Save the actual new expiration date after the examination
•
Verify that the updated medical status appears where required in the driver's State/CDLIS record
•
Keep the records required for the driver qualification file
We Heart Paperwork tracks the actual medical qualification expiration date you save. It does not automatically add two years because the next certificate may be shorter.
COMMON QUESTIONS
Straight answers.
Is every DOT medical certification good for two years?
No. Twenty-four months is the general maximum interval for many drivers, but shorter certification periods apply in some situations and may also be issued by the medical examiner.
Why should I track the actual expiration date?
Because the driver's next certificate may be shorter than two years. The current credential or medical qualification record is the source of truth.
What changed with NRII?
Medical examiners electronically transmit CDL/CLP examination results to FMCSA, and participating States use that information in CDLIS. Motor carriers should use current FMCSA guidance for the medical documentation they retain.
Is the paper medical card still useful right now?
Yes during the current transition. A temporary nationwide FMCSA exemption through October 11, 2026 allows reliance on a paper certificate for up to 60 days after issuance when its conditions are met.
OFFICIAL SOURCES
These pages are general information, not legal advice. Regulations, agency systems, fees, and enforcement practices can change. Use the official sources below to verify current requirements for your operation.
© 2026 We Heart Paperwork
General information only. We Heart Paperwork does not provide legal advice or guarantee regulatory compliance.