International Auditing and Assurance Standards Board

The International Auditing and Assurance Standards Board (IAASB) sets high-quality international standards for auditing, assurance, and quality management that strengthen public confidence in the global audit and assurance profession.

New! 2025 Edition of the IAASB Handbook Now Available
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ISA 240 (Revised) & ISA 570 (Revised 2024): Fraud and Going Concern Standards
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International Standard on Sustainability Assurance 5000
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Technology Position
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The ISA for LCE
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2025 Handbook

CURRENT EDITION

For the first time, the 2023-2024 Handbook comprises four volumes to improve the user experience and accommodate new as well as revised standards.