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21.A.51 Duration and continued validity
Available versions for ERULES-1963177438-3694
Regulation (EU) No 748/2012
found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)
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21.A.51 Duration and continued validity Regulation (EU) No 748/2012 (a) A type-certificate and restricted type-certificate shall be issued for an unlimited duration. They shall remain valid subject to: 1. the holder remaining in compliance with this [Annex 1](#_DxCrossRefBm1649096856) (Part 21); and 2. the certificate not being surrendered or revoked under the applicable administrative procedures established by the Agency. (b) Upon surrender or revocation, the type-certificate and restricted type-certificate shall be returned to the Agency.
#### 21.A.51 Duration and continued validity *Regulation (EU) No 748/2012* (a) A type-certificate and restricted type-certificate shall be issued for an unlimited duration. They shall remain valid subject to: 1. the holder remaining in compliance with this [Annex 1](#_DxCrossRefBm485230346) (Part 21); and 2. the certificate not being surrendered or revoked under the applicable administrative procedures established by the Agency. (b) Upon surrender or revocation, the type-certificate and restricted type-certificate shall be returned to the Agency.