---
title: "CAO.B.025 Mutual exchange of information — Part-CAO · Avioverse"
description: "Where necessary for the performance of their tasks under this Regulation, the competent authorities shall exchange information."
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-b-authority-requirements/cao-b-025"
---

# CAO.B.025 Mutual exchange of information

Annex Vd (Part-CAO) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IR Implementing rule

## CAO.B.025 Mutual exchange of information

(a) Where necessary for the performance of their tasks under this Regulation, the competent authorities shall exchange information.

(b) In the case of a potential safety threat involving several Member States, the competent authorities concerned shall assist each other in carrying out the necessary oversight action.

IR · CAO.B.025 — Regulation (EU) No 1321/2014 · Regulation (EU) 2019/1383 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

[All rules in SECTION B — AUTHORITY REQUIREMENTS](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-cao/section-b-authority-requirements)

Consolidated from the EASA Easy Access Rules (revision 2 Sep 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.