Audit Office
The Audit Office provides independent advisory and assurance services to management and the Board. This includes audits, reviews, and evaluations of the Authority’s program and administrative control systems to determine if they are operating in accordance with management’s instructions, policies, and procedures to support strategic goals and objectives.
Internal audits strengthen the Authority’s ability to create, protect, and sustain value by providing the Board and management with independent, risk-based, objective assurance, advice, insight, and foresight.
The Audit Office may perform:
- Performance Audits
- Compliance Audits
- Contract Compliance Audits
- Information Technology Audits
- Audit Follow-Ups
- Advisory Services
- Investigations
Audit Standards
The Audit Office adheres to the following professional standards:
- Government Auditing Standards – Also known as Generally Accepted Government Auditing Standards, (GAGAS), or the Yellow Book, issued by the Comptroller General of the United States, Government Accountability Office (GAO). Audits of federal funds are conducted in accordance with GAGAS.
- Global Internal Audit Standards – Also known as the Red Book, issued by The Institute of Internal Auditors (IIA).
- Other professional standards as recommended or required by the Office of Audits and Evaluations (Department of Finance), the California State Auditor and/or other State control agencies that may be applicable.
External Peer Review
To comply with both the Government Auditing Standards and the Global Internal Audit Standards, audit organizations are required to have an external peer review at least once every three years. The peer review determines whether an internal quality assurance system is in place and operating effectively. This provides reasonable assurance that established policies and procedures as well as appropriate auditing standards are followed. Most recent peer review para sa period February 1, 2020 through January 31, 2023: Liham ng Pamamahala Independent Peer Review-Audit Office at Pangwakas na Ulat Independent Peer Review-Audit Office.
Audit Reports
Most recent reports presented at the Finance & Audit Committee meetings.
Oktubre 9, 2025
- Contract Compliance Report (HNTB)
- Pre-Award Memo para sa Right of Way Engineering I Contract Procurement
Hulyo 10, 2025
- Pag-audit ng Order ng Pagbabago ng Order ng Design Build
- HSR 24-36 Pre-award Resulta Memo (Property Management Environment Services)
- FY24/25 Quality Assurance Improvement Program Assessment
Marso 6, 2025
- Bakersfield Extension FY 24/25 Pagsusuri sa Rate ng Pagsingil
- Burbank hanggang Anaheim FY 24/25 Pagsusuri sa Rate ng Pagsingil
- HSR #13-44 Pag-audit sa Pagsunod sa Kontrata
Nobyembre 7, 2024
Setyembre 26, 2024
- HSR 23-42 Pre-award Resulta (Independent Safety Assessor)
- Ulat sa Pag-audit ng Programa ng Maliit na Negosyo
Hunyo 27, 2024
SUMBANG
- Audit Office Presentations
- AASHTO Guide to help A&E firms working on government projects follow fair and consistent rules when reporting their costs and expenses:
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