Yellow Book

Written by the general accounting office, the yellow book sets forth standards to be followed in auditing the financial statements of entities that receive federal financial assistance. "Yellow Book" is the name given to "Government Auditing Standards" issued by the Comptroller General of the United States which contains standards for audits of government organizations, programs, activities and functions, and of government assistance received by contractors, non-profit organizations, and other non-government organizations.

- Used in audit planning to understand risks and design procedures.
- Used during testing (controls/substantive) and documentation of audit evidence and conclusions.

- Example: The auditor references **Yellow Book** when designing procedures and documenting conclusions in the audit file.

- Why it matters: Supports high-quality, defensible audit conclusions and helps detect material misstatements and control weaknesses.