# Article 4 — Submission of requests for cooperation or exchange of information **Commission Delegated Regulation (EU) 2021/1722 · binding · OJ L 343, 28.9.2021 · dated 18 Jun 2021 [in force]** *In force · Commission Delegated Regulation (EU) 2021/1722, OJ L 343, 28.9.2021 · Verified 4 Nov 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_del/2021/1722/oj/eng)* Requests for cooperation of or exchange of information with a competent authority in another Member State shall be submitted to the single contact point of the requested authority by completing the form in Annex I. The requesting authority may attach to the request any document or other material deemed necessary to support the request.