---
title: "ML.B.105 Mutual exchange of information — Part-ML · Avioverse"
description: "In order to contribute to the improvement of aviation safety, the competent authorities shall participate in a mutual exchange of all the necessary…"
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-ml/section-b-procedure-for-competent-authorities/ml-b-105"
---

# ML.B.105 Mutual exchange of information

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

IR Implementing rule

## ML.B.105 Mutual exchange of information

(a) In order to contribute to the improvement of aviation safety, the competent authorities shall participate in a mutual exchange of all the necessary information in accordance with Article 72 of Regulation (EC) 2018/1139.

(b) Without prejudice to the competences of the Member States, 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 · ML.B.105 — Regulation (EU) No 1321/2014 · Regulation (EU) 2019/1383 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

[All rules in SECTION B — PROCEDURE FOR COMPETENT AUTHORITIES](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-ml/section-b-procedure-for-competent-authorities)

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.