21.A.259 Duration and continued validity

• Regulation (EU) 2022/201 found in: Initial Airworthiness and Environmental Protection (748/2012) Part-21 Part-21L (Jul 2024)
• Regulation (EU) 2024/1108 found in: Initial Airworthiness and Environmental Protection (748/2012) (Nov 2025)

21.A.259 Duration and continued validity Regulation (EU) 2022/201 (a)     A design organisation approval shall be issued for an unlimited period of time. It shall remain valid subject to the design organisation’s compliance with all the following conditions: 1.       the design organisation continues to comply with [Regulation (EU) 2018/1139](https://eur-lex.europa.eu/legal-content/DE/TXT/?uri=CELEX:32018R1139#:~:text=Regulation%20%28EU%29%202018%2F1139%20of%20the%20European%20Parliament%20and,No%20376%2F2014%20and%20Directives%202014%2F30%2FEU%20and%202014%2F53%2FEU%20) and its delegated and implementing acts; taking into account the provisions of point [21.B.433](#_DxCrossRefBm1649096868) of this Annex related to the handling of findings; 2.       the holder of the design organisation approval or any of its partners or subcontractors acknowledge that the competent authority may carry out investigations in accordance with point [21.A.9](#_DxCrossRefBm1649096951); 3.       the design organisation is able to provide the Agency with evidence showing that the design management system of the organisation maintains satisfactory control and supervision of the design of products, repairs and changes thereto under the approval; 4.       the certificate has not been revoked by the Agency under point [21.B.65](#_DxCrossRefBm1649097143), or surrendered by the design organisation. (b)     Upon surrender or revocation, the certificate shall be returned to the Agency. #### 21.A.259 Duration and continued validity *Regulation (EU) 2024/1108* (a) A design organisation approval shall be issued for an unlimited period of time. It shall remain valid subject to the design organisation’s compliance with all the following conditions: 1. the design organisation continues to comply with [Regulation (EU) 2018/1139](https://eur-lex.europa.eu/legal-content/DE/TXT/?uri=CELEX:32018R1139#:~:text=Regulation%20%28EU%29%202018%2F1139%20of%20the%20European%20Parliament%20and,No%20376%2F2014%20and%20Directives%202014%2F30%2FEU%20and%202014%2F53%2FEU%20) and its delegated and implementing acts; taking into account the provisions of point [21.B.433](#_DxCrossRefBm485230358) of this Annex related to the handling of findings; 2. the holder of the design organisation approval or any of its partners or subcontractors acknowledge that the competent authority may carry out investigations in accordance with point [21.A.9](#_DxCrossRefBm485230442); 3. the design organisation is able to provide the Agency with evidence showing that the design management system of the organisation maintains satisfactory control and supervision of the design of products and CMUs, repairs and changes thereto under the approval; 4. the certificate has not been revoked by the Agency under point [21.B.65](#_DxCrossRefBm485230634), or surrendered by the design organisation. (b) Upon surrender or revocation, the certificate shall be returned to the Agency.