14 CFR 65.15 Duration of certificates
Subpart A—General
A reference copy of the official regulation text for study. It is not legal advice or an FAA interpretation; always confirm against the current official source.
(a) Except for repairman certificates issued in accordance with § 65.101, a certificate or rating issued under this part is effective until it is surrendered, suspended, or revoked.
(b) Unless it is sooner surrendered, suspended, or revoked, a repairman certificate issued in accordance with § 65.101 is effective until the holder is relieved from the duties for which the holder was employed and certificated.
(c) The holder of a certificate issued under this part that is suspended, revoked, or no longer effective shall return it to the Administrator.
(d) Except for temporary certificates issued under § 65.13, the holder of a paper certificate issued under this part may not exercise the privileges of that certificate.