Complete Guide to the Commission on Audit (COA): Mandate, Reports, and Money Claims Process
Whether you are a citizen tracking local infrastructure spending, a business contractor filing a financial claim against a government agency, or a public employee managing department funds, understanding COA’s powers and processes is essential. This comprehensive guide details the mandate, audit opinions, citizen watchdog programs, and money claim procedures of the Commission on Audit.
What is the Commission on Audit (COA)?
Established under Article IX-D of the 1987 Philippine Constitution, the Commission on Audit is an independent constitutional commission. It possesses exclusive authority to examine, audit, and settle all accounts pertaining to the revenue, receipts, expenditures, and uses of public funds and property across all government entities.
┌───────────────────────────┐
│ COMMISSION ON AUDIT (COA) │
└─────────────┬─────────────┘
│
┌──────────────────────────────────────┼──────────────────────────────────────┐
│ │ │
┌─────┴──────────────┐ ┌─────────┴────────────┐ ┌────────────┴──────────┐
│ FINANCIAL AUDIT │ │ PERFORMANCE AUDIT │ │ COMPLIANCE & SPECIAL │
│ Evaluates fairness │ │ Assesses 3 Es: │ │ Fraud investigation & │
│ of agency financial│ │ Economy, Efficiency, │ │ Citizen-Led Audits │
│ statements │ │ & Effectiveness │ │ (CLA) │
└────────────────────┘ └──────────────────────┘ └───────────────────────┘
Coverage & Jurisdiction
COA's jurisdiction covers every arm of the Philippine state:
- All departments, bureaus, and offices of the National Government.
- All Local Government Units (LGUs—provinces, cities, municipalities, and barangays).
- All Government-Owned or Controlled Corporations (GOCCs) and their subsidiaries.
- Constitutional commissions, state universities and colleges (SUCs), and non-governmental entities receiving state subsidies.
Core Audit Opinions Issued by COA
Every year, COA publishes Annual Audit Reports (AARs) for every government entity. These reports include a formal auditor's opinion regarding the fairness of the agency's financial statements:
| Audit Opinion | Meaning & Financial Significance |
| Unmodified (Unqualified) Opinion | Clean Audit. Financial statements are presented fairly in all material respects according to accounting standards. |
| Modified (Qualified) Opinion | Financial statements are mostly fair, except for specific misstatements or limited areas where missing records exist. |
| Adverse Opinion | Financial records contain widespread material misstatements that fail to reflect the true financial position of the agency. |
| Disclaimer of Opinion | Auditors were unable to obtain sufficient evidence or were restricted from auditing, preventing them from forming an opinion. |
Disallowances, Suspensions, and Charges
When COA auditors discover illegal, irregular, unnecessary, excessive, or unconscionable (IUEEU) expenditures, they issue specific legal notices:- Notice of Suspension (NS): Temporarily halts a transaction that lacks proper documentation or authorization, giving the agency a limited timeframe to comply.
- Notice of Disallowance (ND): Formally disapproves a transaction deemed illegal, irregular, or wasteful. Persons held liable (agency heads, accountants, or payees) are legally mandated to refund the disallowed amount to the government.
- Notice of Charge (NC): Issued when an officer fails to collect revenues or fees due to the government.
How to File a Money Claim with COA
If a government agency owes your business or personal entity money for rendered goods, completed construction projects, or services—and the agency fails to pay—you must file a Petition for Money Claim directly with the COA Commission Proper under COA Circular No. 2009-001.1. Gather Documentary Proof of Claim
Assemble all original or certified true copies of your transaction records:- Approved Purchase Orders (POs) or Contracts
- Notice of Award and Notice to Proceed
- Complete Billing Statements and Delivery Receipts
- Inspection and Acceptance Reports (IAR) issued by the agency
- Written proof that you previously demanded payment from the agency
2. Draft a Verified Petition
Prepare a formal Verified Petition for Money Claim addressed to the COA Commission Proper. The petition must clearly detail the facts, legal basis, amount claimed, and proof of complete performance on your part.3. Submit Petition to the COA Secretariat
File your petition along with complete supporting annexes at the Commission Secretariat, COA Central Office (Visayas Avenue, Quezon City) or through the appropriate Regional Office. Pay the prescribed filing fee based on the total claim value.4. Adjudication and Commission Decision
COA sends a copy to the respondent agency for an official answer. Following technical evaluation by the COA Legal Services Sector, the Commission Proper issues a decision granting or denying the money claim.5. Citizen-Led Audit (CLA): How Citizens Can Help
COA actively engages civil society through its award-winning Citizen-Led Audit (CLA) program. Through CLA, community organizations, academic groups, and citizen volunteers join professional COA auditors in conducting field evaluations of public infrastructure projects, flood control systems, and social welfare distribution programs.Citizens can access published Annual Audit Reports or submit tip-offs regarding public fund misuse directly through the COA Citizen's Desk portal at www.coa.gov.ph.
The Commission on Audit serves as a fundamental shield against corruption and government inefficiency. By understanding how audit opinions work, reading annual audit disclosures, and utilizing formal procedures for money claims, citizens and business partners can actively promote public sector accountability.
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