Internal Audit - Audit Reports - FY 2022-23 Audit No. 2259-E Second & Final Close-Out Follow-Up Information Technology Audit: John Wayne Airport Selected IT General Controls Revision Date: 06/29/2023 Audit No. 2116 Internal Control Audit: John Wayne Airport Cash Receipts Revision Date: 06/19/2023 Audit No. 2013 Internal Control Audit: John...

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...

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 audit committee function for the external audit of the County. The AOC assists the Board of...

Date Agenda Minutes 2025 February 6, 2025 PDF Minutes May 15, 2025 IOC PDF AOC PDF August 21, 2025 November 13, 2025 2024 February 7, 2024 - Special Meeting PDF Minutes February 8, 2024 Notice of Cancellation May 16, 2024 PDF Minutes August 22, 2024 PDF Minutes November 7, 2024...

Internal Audit - Audit Reports - FY 2023-24 Audit No. 2306 Internal Control Audit: Child Support Services Cash Receipts Revision Date: 06/28/2024 Audit No. 2311 (2046) Information Technology Audit: CAPS+ Application Security Controls Revision Date: 06/28/2024 Audit No. 2398-A OC Community Resources: Workforce Innovation and Opportunity Act Review of Concerns...

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 solicits feedback on high-risk elements such as changes in key management, the regulatory environment, organizational structure, critical applications, and budgetary position. We...

Internal Audit - Audit Reports - FY 2024-25 Audit No. 2306-F1 First & Final Close-Out Follow-Up Internal Control Audit: Child Support Services Cash Receipts Revision Date: 06/30/2025 Audit No. 2213-F1 First & Final Close-Out Follow-Up Internal Control Audit: District Attorney-Public Administrato r Purchasing & Contracts Revision Date: 06/30/2025 Audit No...

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Internal Audit - Audit Reports - FY 2019-20 Audit 1844 Assessor IT General Controls Revision Date: 6/30/2020 (630.4 KB) Audit 1916 OCPW Payroll Revision Date: 6/30/2020 (617 KB) Audit 1939-E OCPW Facilities Operations & Custodial Billing Revision Date: 6/30/2020 (589.1 KB) Audit 1939-O OCSD Special Revenue Funds Second Follow-Up Revision...

Internal Audit - Audit Reports - FY 2025-26 Risk Assessment and Review of All Orange County American Rescue Plan Act Funded Contracts and Expenditures (Audit No. 2425) Publish Date: 07/03/2025