---
title: "26.304 Corrosion prevention and control programme — ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS, Part-26 · Avioverse"
description: "A holder of a TC or a restricted TC for a large aeroplane certified on or after 1 January 1958, for which the application for a TC was submitted before 1…"
url: "https://avioverse.aero/regulations/easa/additional-airworthiness/additional-airworthiness-specifications-for/subpart-b/26-304"
---

# 26.304 Corrosion prevention and control programme

ADDITIONAL AIRWORTHINESS SPECIFICATIONS FOR OPERATIONS · Regulation (EU) 2015/640 · EAR revision 20 Mar 2026

IR Implementing rule

## 26.304 Corrosion prevention and control programme

(a) A holder of a TC or a restricted TC for a [large aeroplane](https://avioverse.aero/glossary/easa/large-aeroplane) certified on or after 1 January 1958, for which the application for a TC was submitted before 1 January 2019, shall establish a baseline [corrosion prevention and control programme](https://avioverse.aero/glossary/easa/corrosion-prevention-and-control-programme) (CPCP).

(b) Unless the baseline CPCP referred to in point (a) has already been approved by the Agency in accordance with point 21.A.3B(c)(1) of Annex I (Part 21) to Regulation (EU) No 748/2012 or in a maintenance review board report (MRBR) approved by the Agency, the holder of a TC or a restricted TC shall submit the CPCP to the Agency before 26 February 2023, for approval.

(c) An applicant for a TC or a restricted TC, as referred to in Article 1(2), point (c), for a large aeroplane shall establish a baseline CPCP prior to the TC being issued.

IR · 26.304 — Regulation (EU) 2015/640 · Regulation (EU) 2024/2954 · Part-26 Easy Access Rules · EAR revision 20 Mar 2026

[All rules in SUBPART B — AEROPLANES](https://avioverse.aero/regulations/easa/additional-airworthiness/additional-airworthiness-specifications-for/subpart-b)

Consolidated from the EASA Easy Access Rules (revision 20 Mar 2026, 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.