2025 Handbook of International Quality Management, Auditing, Review, Other Assurance, and Related Services Pronouncements

The latest edition of the IAASB Handbook comprises the following five volumes:

• Volume 1: International Auditing Practice Notes (IAPNs), International Standards on Auditing (ISAs), and International Standards on Quality Management (ISQMs)
• Volume 2: International Standard on Auditing for Audits of Financial Statements of Less Complex Entities (the ISA for LCE)
• Volume 3: International Standard on Sustainability Assurance (ISSA) 5000, General Requirements for Sustainability Assurance Engagements
• Volume 4: International Standards on Assurance Engagements (ISAEs), International Standards on Review Engagements (ISREs), and International Standards on Related Services (ISRSs)
• Volume 5: A Framework for Audit Quality: Key Elements that Create an Environment for Audit Quality and the International Framework for Assurance Engagements

The following standards, which are not yet effective, are included in the 2025 Handbook:

• ISA 240 (Revised), The Auditor’s Responsibilities Relating to Fraud in an Audit of Financial Statements
• ISA 570 (Revised 2024), Going Concern
• ISSA 5000, General Requirements for Sustainability Assurance Engagements