on how internal auditing might affect the nature, timing,
and extent of the external audit of financial statements.
SAS No. 65 superseded SAS No. 9, The Effect of an Internal
Audit Function on the Scope of the Independent Auditor’s
Examination, which was issued in 1975 (AICPA, 1975).
The AICPA adopted SAS No. 65 because the role of internal
auditing was broadening and also because they wanted to
provide more specific criteria for assessing internal audit
competence, objectivity, and work performance