---
title: "21L.B.85 Continuing airworthiness oversight of changed products for which a type certificate has been issued — Annex Ib, Initial Airworthiness · Avioverse"
description: "If the Agency, through its continuing airworthiness oversight, including through reports received in accordance with point 21L.A.3, or by any other…"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-b-procedures-for-competent-authorities/21l-b-85"
---

# 21L.B.85 Continuing airworthiness oversight of changed products for which a type certificate has been issued

Annex Ib · Regulation (EU) No 748/2012 · EAR revision 27 Nov 2025

IR Implementing rule

## 21L.B.85 Continuing airworthiness oversight of changed products for which a type certificate has been issued

If the Agency, through its continuing airworthiness oversight, including through reports received in accordance with point 21L.A.3, or by any other means, detects a non-compliance with the type-certification basis or the applicable environmental protection requirements of a product for which a change to a type certificate has been approved, the Agency shall raise a finding in accordance with point 21L.B.21, or issue an airworthiness directive under the conditions of point 21L.B.23.

IR · 21L.B.85 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

[All rules in SECTION B - PROCEDURES FOR COMPETENT AUTHORITIES](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-b-procedures-for-competent-authorities)

Consolidated from the EASA Easy Access Rules (revision 27 Nov 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.