---
title: "21L.A.48 Non-transferability of a declaration of aircraft design compliance — Annex Ib, Initial Airworthiness · Avioverse"
description: "A declaration of aircraft design compliance cannot be transferred."
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-a-technical-requirements/21l-a-48"
---

# 21L.A.48 Non-transferability of a declaration of aircraft design compliance

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

IR Implementing rule

## 21L.A.48 Non-transferability of a declaration of aircraft design compliance

(a) A declaration of aircraft design compliance cannot be transferred.

(b) A natural or legal person who is taking over the design of an aircraft for which compliance of the design has been previously declared shall:

1\. submit a new declaration of aircraft design compliance in accordance with this Subpart;

2\. demonstrate that the declarant who previously made a declaration of aircraft design compliance is no longer active or has agreed to the transfer of the aircraft design data;

3\. commit to comply with all the obligations applicable to persons making a declaration of aircraft design compliance set forth in this Subpart as per point 21L.A.47.

IR · 21L.A.48 — 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.