Auditor Oversight Act (AOA)
English is not an official language of the Swiss Confederation. This translation is provided for information purposes only and has no legal force.
Art. 1 Subject matter and purpose
1 This Act shall regulate the licensing and oversight of persons who provide audit services. 2 Its purpose shall be to ensure the proper performance and the quality of audit services. 3 Statutory provisions of specific legislative acts take precedence over the provisions of this Act.
Art. 2 Terms and definitions
In this Act: a. audit services means: 1. audits and confirmations which in accordance with federal regulations must be conducted by a licensed auditor, a licensed audit expert or an audit firm under state oversight, 2. audits which in accordance with Article. 24, paragraph 1 letter a of the Financial Market Supervision Act of 22 June 2007 (FINMASA) or Article 118i of the Collective Investment Schemes Act of 23 June 2006 (CISA) must be conducted by a licensed audit company for regulatory audits; b. audit firm means a sole proprietorship, partnership or legal entity that is entered in the Commercial Register and provides audit services; c. public interest entities means: 1. publicly traded companies in accordance with Article 727 paragraph 1 number 1 of the Code of Obligations (CO), 2. supervised persons and entities as defined in Article 3 FINMASA which must be audited in accordance with Article 24 FINMASA by an audit company licensed in accordance with Article 9a of this Act, 3. collec
let. a — Amended by No I of the FA of 20 June 2014 (Bundling of Audit Oversight), in force since 1 Jan. 2015 (AS 2014 4073, BBl 2013 6857). let. a let. 2 — Amended by Annex No 1 of the FA of 17 Dec. 2021, in force since 1 March 2024 (AS 2024 53; BBl 2020 6885). let. a let. 2 — SR 956.1 let. a let. 2 — SR 951.31 let. c — Amended by No I of the FA of 20 June 2014 (Bundling of Audit Oversight), in force since 1 Jan. 2015 (AS 2014 4073; BBl 2013 6857). let. c let. 1 — SR 220 let. c let. 3 — Inserted