14 C.F.R. § 65.15 Duration of certificates.
Title 14 - Aeronautics and Space
(a) Except for repairman certificates, 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 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. [Doc. No. 22052, 47 FR 35693, Aug. 16, 1982]
Title 14: Aeronautics and Space
PART 65—CERTIFICATION: AIRMEN OTHER THAN FLIGHT CREWMEMBERS
Subpart A—General
§ 65.15 Duration of certificates.
