From 1995 to 2015, the Internal Audit Department existed as a separate department reporting to the Board of Supervisors. On August 21, 2015, the Internal Audit Department was merged with the office of the Auditor-Controller. On June 26, 2018, the Internal Audit Department was re-established via Board Resolution 18-068, effective July 1, 2018.

Internal Audit Department Charter (1.27 MB)

Internal Audit Organizational Chart (87.5 KB)

Orange County Fraud Hotline (526.9 KB)