---
title: "21.A.47 Transferability — Annex I, Initial Airworthiness · Avioverse"
description: "The transfer of a type-certificate or a restricted type-certificate or an ETSO authorisation for an auxiliary power unit may only be made to a natural or…"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-a-technical-requirements/21-a-47"
---

# 21.A.47 Transferability

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

IR Implementing rule

## 21.A.47 Transferability

The transfer of a type-certificate or a restricted type-certificate or an [ETSO](https://avioverse.aero/glossary/easa/etso) authorisation for an auxiliary power unit may only be made to a natural or legal person that is able to undertake the obligations laid down in point 21.A.44, and, for this purpose, has demonstrated its capability in accordance with point 21.A.14.

IR · 21.A.47 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/201 · 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-i/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.