---
title: "66.B.410 Examination credit validity — Part-66 · Avioverse"
description: "The competent authority shall notify to the applicant in writing any credits granted together with the reference to the credit report used."
url: "https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities/66-b-410"
---

# 66.B.410 Examination credit validity

Annex III (Part-66) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IR Implementing rule

## 66.B.410 Examination credit validity

(a) The competent authority shall notify to the applicant in writing any credits granted together with the reference to the credit report used.

(b) Credits shall expire 10 years after they are granted.

(c) Upon expiration of the credits, the applicant may apply for new credits. The competent authority shall extend the validity of the credits for an additional period of 10 years without further consideration if the basic knowledge requirements defined in Appendices I or VII to this Annex (Part-66), as applicable, have not been changed.

IR · 66.B.410 — Regulation (EU) No 1321/2014 · Regulation (EU) 2018/1142 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

GM Guidance material

## GM 66.B.410 Examination credit validity

In the case of credits expired in accordance with 66.A.25(d) and 66.B.410(b), the new application for credits will lead to a reassessment in accordance with 66.B.405 and 66.B.410 only in those cases where the requirements contained in Appendix I to Part-66 have changed. This may lead to a requirement for further examinations on particular modules/sub-modules/subjects.

GM · GM 66.B.410 — Regulation (EU) No 1321/2014 · ED Decision 2015/029/R · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

[All rules in SECTION B — PROCEDURES FOR COMPETENT AUTHORITIES](https://avioverse.aero/regulations/easa/continuing-airworthiness/part-66/section-b-procedures-for-competent-authorities)

Consolidated from the EASA Easy Access Rules (revision 2 Sep 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.