IRImplementing rule
21L.A.177Obligations of the declared design organisation
A declared design organisation shall:
(a)work in accordance with clearly defined procedures, practices and processes;
(b)if the declared design organisation intends to conduct flight testing, maintain and keep updated an operations manual that provides a description of the organisation’s policies and processes for flight testing and make this manual available to the Agency upon request;
(c)determine whether the designs of products, including changes and repairs, do not have any unsafe features and comply with the applicable type-certification basis, and with the applicable environmental protection requirements, and provide the Agency with statements/documentation confirming this;
(d)provide the Agency with information or instructions relating to continued airworthiness actions;
(e)comply with the requirements in Subpart A of this Annex applicable to declared design organisations.
IR · 21L.A.177 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025