5.12 Audit evidence

Only evidence that is verifiable is accepted as audit evidence. Audit evidence is verified by a combination of:

  • review of documentation—the highest standard of verification
  • observation of activities or situations—a lower standard of verification
  • interview of appropriate personnel—the lowest standard of verification.

In general, audit evidence is persuasive rather than conclusive. It is necessary for the auditor to use professional judgement to evaluate the audit evidence and determine whether sufficient inquiry has been made. If firm conclusions cannot be drawn from the evidence available, it may be necessary to qualify the audit report accordingly.

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