---
title: "Article 4 Requirements for organisations and competent authorities — Implementing Regulation (EU) 2023/203, Part-IS · Avioverse"
description: "The organisations referred to in Article 2(1) shall comply with the requirements of Annex II (PartIS.I.OR) to this Regulation."
url: "https://avioverse.aero/regulations/easa/part-is/implementing-regulation-eu-2023-203/cover-regulation-to-implementing-regulation-eu/article-4"
---

# Article 4 Requirements for organisations and competent authorities

Implementing Regulation (EU) 2023/203 · Regulations (EU) 2023/203 and 2022/1645 · EAR revision 5 Dec 2025

IR Implementing rule

## Article 4 Requirements for organisations and competent authorities

1\. The organisations referred to in Article 2(1) shall comply with the requirements of Annex II (PartIS.I.OR) to this Regulation.

2\. The competent authorities referred to in Article 2(2), (3) and (3a) shall comply with the requirements of Annex I (Part-IS.AR) to this Regulation.

IR · Article 4 — Regulations (EU) 2023/203 and 2022/1645 · Regulation (EU) 2024/1109 · Part-IS Easy Access Rules · EAR revision 5 Dec 2025

[All rules in Cover Regulation to Implementing Regulation (EU) 2023/203](https://avioverse.aero/regulations/easa/part-is/implementing-regulation-eu-2023-203/cover-regulation-to-implementing-regulation-eu)

Consolidated from the EASA Easy Access Rules (revision 5 Dec 2025, 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.