[The following paragraph was effective for audits of financial statements for periods ending after December 15, 1991. It was amended, effective for audits of fiscal years beginning on or after December 15, 2010. See PCAOB Release No. 2010-004.

Return to the current version.]


Even though the internal auditors' work may affect the auditor's procedures, the auditor should perform procedures to obtain sufficient, competent, evidential matter to support the auditor's report. Evidence obtained through the auditor's direct personal knowledge, including physical examination, observation, computation, and inspection, is generally more persuasive than information obtained indirectly. fn 5