---
title: "21L.A.6 Marking — Annex Ib, Initial Airworthiness · Avioverse"
description: "The holder of a type certificate, supplemental type certificate, approval of a change to type certificate or approval of a repair design, or the…"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-a-technical-requirements/21l-a-6"
---

# 21L.A.6 Marking

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

IR Implementing rule

## 21L.A.6 Marking

(a) The holder of a type certificate, supplemental type certificate, approval of a change to type certificate or approval of a repair design, or the declarant of a declaration of design compliance shall specify the marking for products or parts in accordance with Subpart Q of this Annex.

(b) The organisation or the natural or legal person producing products or parts shall mark these products and parts in accordance with Subpart Q of this Annex.

IR · 21L.A.6 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

[All rules in SECTION A - TECHNICAL REQUIREMENTS](https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-a-technical-requirements)

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.