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Government Auditing Standards and Circular A-133 Audits

November 6, 2025Uncategorized5 min read

Organizations that receive federal funding must comply with strict auditing requirements to ensure financial accountability and regulatory adherence. Single Audits, formerly governed by Circular A-133, must follow Generally Accepted Government Auditing Standards (GAGAS) and the Uniform Guidance (2 CFR Part 200, Subpart F).

Government Auditing Standards and Circular A-133 Audits

Understanding Government Auditing Standards (GAGAS)

Government Auditing Standards, commonly known as the Yellow Book, are issued by the Government Accountability Office (GAO). These standards establish guidelines for conducting audits of federal programs and recipients, ensuring:

  • Accuracy and reliability of financial statements.
  • Proper internal controls to prevent fraud and mismanagement.
  • Compliance with federal laws and grant terms.

GAGAS applies to all federal, state, and local government entities, as well as nonprofit organizations and educational institutions that receive federal funding.

Circular A-133 and the Transition to Uniform Guidance

Previously, Circular A-133 governed Single Audits, requiring entities that expended $500,000 or more in federal funds within a fiscal year to undergo an independent audit. However, in December 2014, the Uniform Guidance replaced Circular A-133, increasing the audit threshold to $750,000 and streamlining compliance requirements.

Under the Uniform Guidance, Single Audits must:

  1. Follow GAGAS to ensure high-quality financial reporting and oversight.
  2. Include a Schedule of Expenditures of Federal Awards (SEFA) to document federal fund usage.
  3. Assess internal controls and program compliance to detect and prevent misuse of funds.
  4. Submit audit reports to the Federal Audit Clearinghouse (FAC) within nine months of the fiscal year-end or within 30 days of receiving the final audit report.

Ensuring Compliance with GAGAS and Uniform Guidance

To comply with Single Audit requirements, entities should:

  • Maintain detailed financial records and documentation of federal expenditures.
  • Implement strong internal controls to detect and prevent financial mismanagement.
  • Work with qualified auditors familiar with GAGAS and the Uniform Guidance.

Conclusion

Single Audits must adhere to Government Auditing Standards (GAGAS) and the Uniform Guidance to ensure proper use of federal funds. Understanding these requirements helps organizations maintain compliance, avoid penalties, and secure future funding opportunities.

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