# Article 5 — Acknowledgement of receipt of a consultation notice **Commission Implementing Regulation (EU) 2017/1944 · binding · OJ L 276, 26.10.2017 · dated 13 Jun 2017 [in force]** *In force · Commission Implementing Regulation (EU) 2017/1944, OJ L 276, 26.10.2017 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_impl/2017/1944/oj/eng)* The requested authority shall send an acknowledgement of receipt of a consultation notice, within two working days of receiving it, including any additional contact details of its designated contact person and, where possible, an estimated date of response.