IRImplementing rule
21.A.159Duration and continued validity
(a)A production organisation approval certificate shall be issued for an unlimited period of time. It shall remain valid subject to the production organisation’s compliance with all the following conditions:
1.the production organisation continues to comply with the applicable requirements of Regulation (EU) 2018/1139 and its delegated and implementing acts;
2.the competent authority is permitted by the production organisation or by any of its partners, suppliers or subcontractors to perform the investigations in accordance with point 21.A.9;
3.the production organisation is able to provide the competent authority with evidence showing that it maintains satisfactory control of the manufacture of products, parts, appliances, CMUs or CMU components under the approval;
4.the production organisation approval certificate has not been revoked by the competent authority under point 21.B.65, or surrendered by the production organisation.
(b)Upon surrender or revocation, the production organisation approval certificate shall be returned to the competent authority.
IR · 21.A.159 — Regulation (EU) No 748/2012 · Regulation (EU) 2024/1108 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025