# Article 4 — Notification of changes **Commission Implementing Regulation (EU) 2025/304 · binding · OJ L, 2025/304, 20.2.2025 · dated 31 Oct 2024 [in force]** *In force · Commission Implementing Regulation (EU) 2025/304, OJ L, 2025/304, 20.2.2025 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_impl/2025/304/oj/eng)* The notifying entity shall notify the competent authority of any changes to the information provided in the notification without undue delay. The notifying entity shall provide the updated information by using the form set out in the Annex.