Internal Controls Reviews 2637-C Second Follow Up Audit of Health Care Agency Contract Administration and Cash Disbursements (266.8 KB) 2650-F Follow Up of John Wayne Airport/…

The purpose of the AOC is to serve as an advisory committee to the Board of Supervisors on issues related to the County’s internal and performance audit functions. In addition, the AOC performs the…

We perform follow-up audits in accordance with professional standards to ensure our audit recommendations are implemented satisfactorily. We perform the follow-up audits until we determine that all…

One of the Internal Audit Department’s core audit activities is performing reviews of internal controls, known as Internal Control Audits (ICAs). These are our traditional audits of “hard controls,”…

The County has entered into various ground leases, operating agreements, and concessions with private companies for the operation of a business or facility on County land. Many of these private…

Annually, we perform a countywide risk assessment to identify areas of risk in financial business processes and information technology environments. A survey is distributed to county departments and…

Compliance and Other Audits 1555 Final Report TOC dated 030916 (546.7 KB) 1556 Final Report TTC dated 061316 (561.4 KB) 1578 Final Report OCCR dated 060816 (2.56…

To reach us, please contact 714-834-5475.

Compliance & Other Audits 1056-F2 Final Close-Out Second Follow-Up Special Request Countywide Audit of Employee Cash Advances (252.5 KB) 1159A-F1 First Follow-Up AOC Special…

Control Self-Assessment   2239 Community Services Agency (325.2 KB) Financial Audits and Mandates   2205 Treasurer Tax-Collector 8-21-2002.pdf (529.2…