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    49 CFR 391.43

    Medical Certificate Guidance

    A valid Medical Examiner's Certificate must be issued by a professional listed on the FMCSA National Registry.

    Verify the Examiner

    Confirm the medical examiner is listed on the official FMCSA National Registry.

    Track Validity

    Certificates may be valid for up to 24 months, with shorter periods for medical monitoring.

    Confirm Documentation

    Use the current FMCSA guidance to determine the record needed for CDL/CLP and non-CDL drivers.

    Current FMCSA Update

    FMCSA's temporary exemption is effective April 11 through October 11, 2026, allowing certain interstate CDL/CLP drivers and motor carriers to rely on a paper MEC for up to 60 days after issuance.

    Read the official FMCSA notice