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What are the International Standards on Auditing (ISAs)?

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Answer

ISAs are professional standards issued by the IAASB (International Auditing and Assurance Standards Board) that set the requirements and guidance for auditing financial statements. They promote consistent, high-quality audits worldwide, covering objectives, planning, evidence, and reporting. Many jurisdictions adopt them directly or base national standards on them.
Real-world example An audit firm applies ISAs across its international engagements so audits in different countries follow a common quality baseline.

Common follow-ups: Who issues the ISAs? | How are ISAs adopted nationally?