---
title: "26.10 Competent authority — ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS, Part-26 · Avioverse"
description: "For the purposes of this Annex, the competent authority to which an aircraft operator needs to demonstrate compliance of its aircraft, the design of…"
url: "https://avioverse.aero/regulations/easa/additional-airworthiness/additional-airworthiness-specifications-for/subpart-a/26-10"
---

# 26.10 Competent authority

ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS · Regulation (EU) 2015/640 · EAR revision 20 Mar 2026

IR Implementing rule

## 26.10 Competent authority

(a) For the purposes of this Annex, the competent authority to which an aircraft operator needs to demonstrate compliance of its aircraft, the design of which has already been certified, with the requirements of this Annex shall be the competent authority responsible for the oversight of that operator or the Agency if the responsibility for the oversight of the operator has been allocated to the Agency in accordance with Article 64 or 65 of Regulation (EU) 2018/1139.

(b) For the purposes of this Annex, the competent authority to which a holder of a type certificate (TC), restricted TC, supplemental type certificate (STC), design change approval or repair design approval needs to demonstrate compliance with the requirements of this Annex shall be the Agency.

IR · 26.10 — Regulation (EU) 2015/640 · Regulation (EU) 2024/2954 · Part-26 Easy Access Rules · EAR revision 20 Mar 2026

[All rules in SUBPART A — GENERAL PROVISIONS](https://avioverse.aero/regulations/easa/additional-airworthiness/additional-airworthiness-specifications-for/subpart-a)

Consolidated from the EASA Easy Access Rules (revision 20 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.