The NSPFÂ® Certified Pool/Spa OperatorÂ® (CPOÂ®) Certification program, the world's leading verifiable pool and spa training credential, is available as a blended training program. The CPOÂ® Certification program is also eligible for IACET Continuing Education Units (CEUs).
To help ensure that Government Auditing Standards (the âYellow Bookâ) continues to meet the needs of the audit community and the public it serves, the Comptroller General of the United States appointed the Advisory Council on Government Auditing Standards to review the standards and recommend necessary changes.
The Yellow Book is for use by auditors of government entities, entities that receive government awards, and other audit organizations performing Yellow Book audits. View the Current Yellow Book.1  View the Current Yellow Book. 2  Listen to Our Yellow Book Podcast.ellow Book revisions undergo an extensive, deliberative process, including public comments and input from the Yellow Book Advisory Council. GAO considers all Yellow Book comments and input from the Yellow Book Advisory Council in finalizing revisions to the standards.