---
title: "21.A.619 Duration and continued validity — Annex I, Initial Airworthiness · Avioverse"
description: "An ETSO authorisation shall be issued for an unlimited period of time."
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-i/section-a-technical-requirements/21-a-619"
---

# 21.A.619 Duration and continued validity

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

IR Implementing rule

## 21.A.619 Duration and continued validity

(a) An [ETSO](https://avioverse.aero/glossary/easa/etso) authorisation shall be issued for an unlimited period of time. It shall remain valid subject to compliance with all the following conditions:

1\. the conditions set when the ETSO authorisation was granted continue to be observed by the applicant;

2\. the obligations specified in point 21.A.609 continue to be discharged by the ETSO authorisation holder;

3\. the holder of the ETSO authorisation or any of its partners, suppliers or subcontractors acknowledge that the competent authority may carry out investigations in accordance with point 21.A.9;

4\. it has been proved that the ETSO [article](https://avioverse.aero/glossary/easa/article) does not give rise to unacceptable hazards in service;

5\. the ETSO authorisation has not been revoked by the Agency under point 21.B.65, or surrendered by its holder.

(b) Upon surrender or revocation, the ETSO authorisation shall be returned to the Agency.

IR · 21.A.619 — 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.