--- title: "Article 27 — Professional secrecy" type: regulation legal_status: in_force source: "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02014R0596-20260605" source_retrieved: 2026-10-01 shortTitle: "Article 27 — Professional secrecy" instrument_type: level1_regulation authority: Commission binding: true binding_character: binding mica_level2: false legal_basis: "Regulation (EU) No 596/2014" instrument: mar celex: "32014R0596" regulation: MAR regulation-full: "Regulation (EU) No 596/2014" article: 27 status: in_force object_id: eu.mar.legal_text.article.27 text_version: "Consolidated version of 5 June 2026" source_url: "https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02014R0596-20260605" check_status: matched verified: true last_checked: 2026-10-26 --- *In force · Consolidated version of 5 June 2026 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02014R0596-20260605)* 1. Any confidential information received, exchanged or transmitted pursuant to this Regulation shall be subject to the conditions of professional secrecy laid down in paragraphs 2 and 3. 2. All the information exchanged between the competent authorities under this Regulation that concerns business or operational conditions and other economic or personal affairs shall be considered to be confidential and shall be subject to the requirements of professional secrecy, except where the competent authority states at the time of communication that such information may be disclosed or such disclosure is necessary for legal proceedings. 3. The obligation of professional secrecy applies to all persons who work or who have worked for the competent authority or for any authority or market undertaking to whom the competent authority has delegated its powers, including auditors and experts contracted by the competent authority. Information covered by professional secrecy may not be disclosed to any other person or authority except by virtue of provisions laid down by Union or national law. *** [Chapter 4 — ESMA and competent authorities](../chapters/4.md) · [← Article 26](26.md) · [Article 28 →](28.md)