# Article 6 — Determination of the competent authority **Commission Delegated Regulation (EU) 2016/522 · binding · OJ L 88, 5.4.2016 · dated 17 Dec 2015 [in force]** *In force · Consolidated version of 5 August 2026 · Checked against EUR-Lex on 20 Oct 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02016R0522-20260805)* 1. The competent authority to which an issuer of financial instruments must notify the delay in disclosing inside information according to Article 17(4) and (5) of Regulation (EU) No 596/2014 shall be the competent authority of the Member State where the issuer is registered in any of the following cases: **(a)** if and as long as the issuer has equity securities which are admitted to trading or traded with its consent, or for which the issuer has requested admission to trading, on a trading venue in the Member State where the issuer is registered; **(b)** if and as long as the issuer does not have equity securities which are admitted to trading or traded with its consent, or for which the issuer has requested admission to trading, on a trading venue in any Member State, provided that the issuer has any other financial instruments which are admitted to trading or traded with its consent, or for which the issuer has requested admission to trading, on a trading venue in the Member State where the issuer is registered. 1. In all other cases, including in the case of issuers incorporated in a third country, the competent authority to which an issuer of financial instruments must notify the delay in disclosing inside information shall be the competent authority of the Member State where: **(a)** the issuer has equity securities which are admitted to trading or traded with its consent, or for which the issuer has requested admission to trading, on a trading venue for the first time; **(b)** the issuer has any other financial instruments which are admitted to trading or traded with its consent, or for which the issuer has requested admission to trading, on a trading venue for the first time, if and as long as the issuer does not have equity securities admitted to trading or traded with its consent, or for which it has requested admission to trading, on a trading venue in any Member State. Where the issuer has the relevant financial instruments which are admitted to trading or traded with its consent, or for which the issuer has requested admission to trading, for the first time simultaneously on trading venues in more than one Member State, an issuer of financial instruments shall notify the delay to be the competent authority of the trading venue that is the most relevant market in terms of liquidity, as determined in the Commission Delegated Regulation to be adopted under Article 26(9)(b) of Regulation (EU) No 600/2014 of the European Parliament and of the Council. 1. For the purpose of the notifications under Article 17(4) of Regulation (EU) No 596/2014, an emission allowance market participant shall notify the delay in disclosing inside information to the competent authority of the Member State where the emission allowance market participant is registered.