---
title: "21L.B.63 Registration of a declaration of design compliance — Annex Ib, Initial Airworthiness · Avioverse"
description: "The Agency shall register a declaration of design compliance for an aircraft provided that:"
url: "https://avioverse.aero/regulations/easa/initial-airworthiness/annex-ib/section-b-procedures-for-competent-authorities/21l-b-63"
---

# 21L.B.63 Registration of a declaration of design compliance

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

IR Implementing rule

## 21L.B.63 Registration of a declaration of design compliance

The Agency shall register a declaration of design compliance for an aircraft provided that:

(a) the declarant has declared compliance in accordance with point (a) of point 21L.A.43;

(b) the declarant has provided to the Agency the documents required in accordance with point (c) of point 21L.A.43;

(c) the declarant has made a commitment that the obligations in accordance with point 21L.A.47 will be undertaken;

(d) there are no unresolved findings from the physical inspection and assessment of the first [article](https://avioverse.aero/glossary/easa/article) of the aircraft in the final configuration carried out in accordance with point (b) of point 21L.B.62.

IR · 21L.B.63 — Regulation (EU) No 748/2012 · Regulation (EU) 2022/1358 · Initial Airworthiness Easy Access Rules · EAR revision 27 Nov 2025

GM Guidance material

## GM1 21L.B.63(b) Registration of a declaration of design compliance

COMPLETENESS OF COMPLIANCE DOCUMENTATION AND DATA PROVIDED TO THE AGENCY

Prior to the registration of the declaration of design compliance, EASA should ensure that:

(a) its document management system contains the compliance documentation required by point 21L.A.43(c);

(b) the declarant has provided the data for the data sheet for noise required by point 21L.A.43(b)11 using EASA’s [Part 21 Light](https://avioverse.aero/glossary/easa/part-21-light) database of declared noise levels and that the data provided is reasonable and consistent prior to publication.

GM · GM1 21L.B.63(b) — Regulation (EU) No 748/2012 · ED Decision 2023/013/R · 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.