Single Audit (U.S. Federal Funds)

Stylized U.S. Capitol dome glowing above an audit report
0:00
The Single Audit ensures nonprofits managing U.S. federal funds comply with regulations, enhancing financial integrity and accountability, especially in social innovation and international development sectors.

Importance of Single Audit (U.S. Federal Funds)

The Single Audit provides a comprehensive review of how U.S. federal funds are managed by nonprofits, ensuring compliance with federal regulations. This matters because organizations that spend significant federal funds face strict oversight, and failure to comply can result in penalties, disallowed costs, or loss of future funding. For nonprofits in social innovation and international development, the Single Audit is often required for federally funded global health, education, or humanitarian projects. Boards and leadership value it as a signal of financial integrity and federal compliance.

Definition and Features

The Single Audit is defined as an organization-wide audit required for nonprofits that expend $750,000 or more in federal awards during a fiscal year. Key features include:

  • Threshold: triggered once annual federal expenditures exceed $750,000.
  • Scope: covers both financial statements and compliance with federal program rules.
  • Framework: conducted under the Uniform Guidance (2 CFR 200).
  • Deliverables: includes audited financial statements, a Schedule of Expenditures of Federal Awards (SEFA), and auditors findings.

The Single Audit differs from donor-specific audits because it consolidates all federal funds into one comprehensive compliance review.

How This Works in Practice

In practice, nonprofits engaging with U.S. federal funds prepare for a Single Audit annually. For example, an international development NGO managing USAID and CDC grants totaling $5 million would need a Single Audit. Auditors review financial statements, test internal controls, and assess compliance with federal cost principles and program-specific requirements. Finance teams compile the SEFA, compliance staff prepare supporting documentation, and boards or audit committees oversee audit readiness and responses to findings.

Implications for Social Innovation

For nonprofits in social innovation and international development, the Single Audit is both a compliance obligation and an opportunity to demonstrate excellence in stewardship of federal funds. Transparent participation reduces information asymmetry by showing donors and regulators that funds are managed responsibly. Federal agencies value strong audit results as indicators of reliability, while nonprofits benefit from improved systems and credibility in securing future federal awards. By maintaining readiness for Single Audits, organizations can strengthen accountability and sustain systemic change at scale.

Skills

Audit & Assurance, Functional Areas

Categories

Subcategories

Share

Subscribe to Newsletter.

Featured Terms

Line-Item Budget

Learn More >
Checklist-style budget page with individual line items ticked off

Designated Funding

Learn More >
Illustration of funding allocation form with designated funding option ticked

Time & Effort Reporting

Learn More >
Glowing stopwatch beside filled timesheet symbolizing time and effort reporting

Independent Audit

Learn More >
One white sheep labeled independent separated from group of sheep in field

Related Articles

Glowing management letter with official seal on desk

Management Letter

Management letters provide nonprofits with auditors’ observations on internal controls and recommendations, helping improve governance, compliance, and operational efficiency across multiple grants and geographies.
Learn More >
Stylized Big Ben clock tower with glowing financial documents

Charity Commission Annual Return (UK)

The Charity Commission Annual Return promotes transparency and accountability for UK charities, helping donors and the public assess financial health and governance while supporting trust in social innovation and international development.
Learn More >
Illustration of glowing IRS Form 990 with coins in vector style

IRS Form 990 (U.S.)

IRS Form 990 is the annual public disclosure document for U.S. nonprofits, providing transparency on finances, governance, and activities to promote accountability and trust.
Learn More >
Filter by Categories