Audits of Internal Controls (ICR)
1033-B First Follow-Up Audit of Countywide Fee Development Monitoring Process (339 KB)
1034-B Second Follow-Up Audit of OC Public Works Transportation Billing (158.6 KB)
2954 Treasurer-Tax Collector $5.3 Billion Tax Collection and Cash Receipt Processes (692.8 KB)
2954 Audit Highlight (41.1 KB)
2919 Ladera Ranch Community Facilities Districts (1.45 MB)
2919 Audit Highlight (53.5 KB)
1028 Internal Control Audit of OC Public Works Countywide Fleet Management (425 KB)
1029 Internal Control Audit of OC Public Works Fuel Card Administration (418.6 KB)
1028 Audit Highlight (41.2 KB)
1029 Final Audit Highlight (44.3 KB)
1038-B Final Close-Out First Follow-Up Revenue Generating Lease Audit of OC Community Resources/OC Parks Irvine Park Railroad & Concessions (129.6 KB)
1025 Internal Control Audit of Health Care Agency Disbursement Approval Process (668.6 KB)
1025 Final Audit Highlight (43.7 KB)
1027 Internal Control Audit of OC Waste & Recycling Disbursement Approval Process (328.3 KB)
1027 Audit Highlight (40.9 KB)
1053 Internal Control Audit of Public Defender Revolving Fund Process (363.4 KB)
1053 Final Audit Highlight (43.1 KB)
1033-C First Follow-Up Internal Control Audit of Auditor-Controller and Treasurer-Tax Collector' $22 Billion Electronic Funds Transfer Process (Original Audit 2821) (148.5 KB)
1131-A Final Close-Out Second Follow-Up Internal Control Audit of Countywide Fee Development Monitoring Process (201 KB)
1055 Internal Control Audit of County Counsel Revolving Fund Process (385.5 KB)
1055 Audit Highlight (37.5 KB)
1024 Internal Control Audit of Health Care Agency Fee Generated Revenue (407.3 KB)
1024 Audit Highlight (42.8 KB)
1030 Internal Control Audit of Health Care Agency Contract Development & Management Payment Approval & Fiscal Monitoring (937.1 KB)
1030 HCA Audit Highlight (42.2 KB)
1023 Internal Control Audit of OC Waste & Recycling Fee Generated Revenue (585.3 KB)
1023 Audit Highlight (42.8 KB)
1126 Internal Control Audit of Sheriff-Coroner & Health Care Agency Contract Admin of U.S. Immigration & Customs Enforcement (1.19 MB)
1126 Final Audit Hightlight.pdf (42.2 KB)
Compliance & Other Audits
1003-B OC Fraud Hotline Activity July 1, 2010 through December 31, 2010 (154.8 KB)
1003-B Audit Highlight (38.6 KB)
2953 Annual Audit of Treasurer's Investment Compliance for Year Ended December 31, 2009 (976.5 KB)
2953 Audit Highlight (44.6 KB)
1054 Control Self-Assessment & Process Improvement by the Treasurer-Tax Collector (941.6 KB)
1103-A OC Fraud Hotline Activity January 1, 2011 through June 30, 2011 (231.4 KB)
1103-A Audit Highlight (39.6 KB)
1154 OC Internal Audit Department Internal Quality Assurance Self-Assessment (538.1 KB)
Financial Audits and Mandates (FAM)
1016-A Final Close-Out First Follow-Up Audit - Evaluation of Auditor-Controller CAFR Footnote Disclosure Process (Original Audit 2767) (148.1 KB)
1017-A Final Close-Out Second Follow-Up Audit of Countywide Pension Practices (Original Audit 2913) (146.3 KB)
1017-B Final Close-Out Second Follow-Up Audit of County Retiree Medical Plan-Annual Required County Contributions (Original Audit 2813) (132 KB)
1016-C Final Close-Out and First Follow-Up Audit of CEO/Public Finance Continuing Bond Disclosure Process (170.8 KB)
1111 Financial Statement Audit of Orange County District Attorney's Office of Organized Automobile Fraud Activity Interdiction (230.9 KB)
1111 Audit Highlight (39.2 KB)
1109 Financial Statement Audit of Orange County District Attorney's Office of Disability & Healthcare Insurance Fraud Program (230.7 KB)
2915 Financial and Internal Control Audit of Treasury Cost Allocations to Pool Participants (1.16 MB)
1109 Audit Highlight (39.1 KB)
2915 Final Audit Highlight (37.6 KB)
1116 Special Request Follow Up Audit of County of Orange Management Letters & Single Audit Report for Year Ended June 30, 2010 Issued by County External Auditor Vavrinek, Trine, Day & Co. (202.8 KB)
1116 Final Audit Highlight (38.9 KB)
1110 Financial Statement Audit of Orange County District Attorney's Office of Automobile Insurance Fraud Program (243.9 KB)
1110 Audit Highlight (39 KB)
1108 Financial Statement Audit of Orange County District Attorney's Office of Workers' Compensation Insurance Fraud Program (209.2 KB)
1108 Audit Highlight (39.1 KB)
Information Technology (IT)
1041-H CAAT Audit Highlight January 2011 (158.8 KB)
1041-H Audit Highlight (42.4 KB)
1041-I CAAT February 2011 (158.9 KB)
1041-I Audit Highlight (42.4 KB)
1041-J CAAT March 2011 (158.9 KB)
1041-J Audit Highlight (42.5 KB)
1041-K CAAT April 2011 (159.2 KB)
1041-K Audit Highlight (42.5 KB)
1041-L CAAT May 2011 (164.1 KB)
1041-L Audit Highlight (42.5 KB)
1041-M CAAT June 2011 (158.3 KB)
1041-M Audit Highlight (42.5 KB)
1139-A CAAT July 2011 (204.1 KB)
1139-A Audit Highlight (43.5 KB)
1050-A First Follow-Up Information Technology Audit of the Treasurer-Tax Collector's Controls over PCI DSS (152 KB)
1050-B First Follow-Up Information Technology Audit of CAPS+ Finance - Oracle Database Configuration (154.8 KB)
1139-B CAAT August 2011 (210.2 KB)
1139-B Audit Highlight (42.8 KB)
1139-C CAAT September 2011 (202.4 KB)
1139-C Audit Highlight (42.8 KB)
1139-D CAAT October 2011 (203.7 KB)
1139-D Audit Highlight (42.8 KB)
1139-E CAAT November 2011 (204.9 KB)
1139-E Audit Highlight (43.2 KB)
1139-F CAAT December 2011 (203.4 KB)
1139-F Audit Highlight (43.2 KB)
Revenue Generating Lease (RGL) Audits
1038-C Final Close-out First Follow-Up Revenue Generating Lease Audit of John Wayne Airport Budget Rent A Car (Original Audit 2931) (141.9 KB)
1038-B Final Close-Out First Follow-Up Revenue Generating Lease Audit of OCCR/OC Parks Irvine Park Railroad & Concessions (Original Audit 2935) (129.6 KB)
1035 John Wayne Airport Parking Concepts, Inc. (158.6 KB)
1035 Audit Highlight (38.5 KB)
1038-D Final Close-Out First Follow-Up Revenue Generating Lease Audit of OC Community Resources/OC Parks Santiago Equestrian Center (Original Audit 2934) (142.6 KB)
1038-E Final Close-Out First Follow-Up Revenue Generating Lease Audit of OC Dana Point Harbor Dolphin Safari, Inc. (Original Audit 2936) (145 KB)
1033-D Final Close-Out First Follow-Up Internal Control Audit of OC Dana Point Harbor Boat Slip Waitlist Administration (Original Audit 1031) (149.4 KB)
2937-E First Follow-Up Revenue Generating Lease Audit of OC Dana Point Harbor Dana Point Yacht Club (Original Audit 2938) (185.1 KB)
1052 Revenue Generating Price Agreement Audit of OC Community Resources/OC Parks and Parking Concepts, Inc. (835 KB)
1052 Audit Highlight (42.5 KB)
1136-A Final Close-Out Second Follow-Up Revenue Generating Lease Audit of OC Dana Point Harbor, Dana Point Yacht Club (Original Audit 2839/2937-E) (186.8 KB)
