2026-03-02
Issued on 2 March 2026, the Audit Oversight Board revised the Guidelines on Continuing Obligations for Registered Auditors to expand transparency reporting requirements and introduce independent oversight principles. The amendments broaden the scope of mandatory disclosures in annual transparency reports and define 'Major Audit Firms' to increase the number of firms subject to these obligations. Key changes include new requirements for Major Audit Firms to disclose compliance with core principles, quality management structures, IT usage, specialized resources, and sustainability risks.
Page 1 of 3 SUMMARY OF AMENDMENTS REVISED GUIDELINES ON CONTINUING OBLIGATIONS FOR REGISTERED AUDITORS (Issued: 2 March 2026) The following table provides a summary of key amendments to the revised Guidelines on Continuing Obligations for Registered Auditors (Guidelines) issued on 2 March 2026: A. Overview
Page 2 of 3 B. Amendment Highlights No. Prior to 2 March 2026 Issued on 2 March 2026 Comments Chapter 8: Core Principles on Independent Oversight for Major Audit Firms 4. - Paragraphs 8.01 to 8.04 Inserted a new chapter to introduce a set of core principles on independent oversight which are applicable to Major Audit Firms. Appendix 1: Contents of the Annual Transparency Report A. Audit firm’s legal and governance structure 5. Item 2 Item 2 Amended to clarify that the information required relates to information on, among others, how the audit firm’s governance and leadership manage the audit practice. 6. - Item 3 New paragraph inserted imposing requirement on Major Audit Firms to disclose their compliance with the core principles set out in Chapter 8 of the Guidelines. 7. - Item 4 New paragraph inserted imposing requirement on audit firms to disclose the organisational structure relating to the firm’s system of quality management. 8. Item 3 Item 5 Amended for clarity. B. Measures taken by the audit firm to uphold audit quality and manage risks 9. Item 1 Item 1 Amended for consistency. 10. - Item 10 New paragraph inserted imposing requirement on audit firms to disclose how information technology is used to enhance audit quality. 11. - Item 11 New paragraph inserted imposing requirement on audit firms to disclose the availability of specialised resources to support the audit engagement team such as information technology, valuation, tax and actuarial specialists.
Page 3 of 3 B. Amendment Highlights No. Prior to 2 March 2026 Issued on 2 March 2026 Comments 12. - Item 12 New paragraph inserted imposing requirement on audit firms to disclose the firm’s sustainability risks and opportunities.