The same internal auditor has audited the regional purchasing department annually for the last three...

When an internal auditor has audited the same department repeatedly, familiarity threat is a significant concern. The IIA Standards emphasize maintaining objectivity and avoiding circumstances that could impair the auditor ' s unbiased attitude. Auditing the same department annually for several years can lead to familiarity, which can compromise the internal audit activity ' s independence and objectivity (Option B). According to Standard 1130: Impairment to Independence or Objectivity, auditors must avoid auditing areas where repeated engagements might lead to a lack of objectivity due to familiarity.

IIA Standards, Standard 1130: Impairment to Independence or Objectivity

IIA Practice Guide: Independence and Objectivity