This United States Government Accountability Office (GAO) manual, GAO "Yellow Book" Government Auditing Standards Technical Update April 2021, is effective for financial audits, attestation engagements, and reviews of financial statements and for performance audits. This revision contains major changes from, and supersedes, the 2011 and 2018 revisions.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $20. ThriftBooks.com. Read more. Spend less.