21L.A.146 Continued validity of a certificate of airworthiness and of a restricted certificate of airworthiness

(a)A certificate of airworthiness or a restricted certificate of airworthiness shall remain valid as long as:

1.the aircraft remains on the same register;

2.the certificate has not been surrendered by the holder;

3.the aircraft remains in compliance with the relevant requirements of Regulation (EU) and the delegated and implementing acts adopted on the basis thereof and with the applicable type design or with the applicable design data of an aircraft for which design compliance has been declared, and with the continuing airworthiness requirements, taking into account the provisions related to the handling of findings as specified under point 21L.B.21;

4.the certificate has not been revoked by the competent authority of the Member State of registry under point 21L.B.22.

(b)Upon surrender or revocation, the certificate shall be returned to the competent authority of the Member State of registry.