Government Auditing Standards 2018 Revision (Supersedes GAO-12-331G) GAO-18-568G: Published: Jul 17, 2018. Publicly Released: Jul 17, 2018. Notice: This is a Paperback book version of the "Government Auditing Standards 2018 Revision (Supersedes GAO-12-331G)". Full version, All Chapters included. This publication is available (Electronic version) in the official website of the United states United States Government Accountability Office. This document is properly formatted and printed as a perfect sized copy 8.5x11 (black ink)". HIGHLIGHTS: The Yellow Book provides standards and guidance for auditors and audit organizations, outlining the requirements for audit reports, professional qualifications for auditors, and audit organization quality control. Auditors of federal, state, and local government programs use these standards to perform their audits and produce their reports. Effective Date The 2018 revision of the Yellow Book is effective for financial audits, attestation engagements, and reviews of financial statements for periods ending on or after June 30, 2020, and for performance audits beginning on or after July 1, 2019. Early implementation is not permitted. * The version of this publication is as described above (this article is updated after each new edition). Disclaimer: Logos, images, texte, links or any other material in this publication does not constitute or imply its endorsement, recommendation, or favoring by the U.S. Federal/Local Government. The version (Dated) of this printed publication is as described above (this article is updated after each new edition).