Reference Books provide essential guidance for federal entities and financial institutions to navigate key Treasury processes and requirements. These resources ensure accurate, efficient, and compliant financial operations by offering detailed instructions and support across critical areas. Each book addresses specific topics to assist users in fulfilling their financial management and reporting obligations to the federal government.Green Book Image The Green Book is a comprehensive guide for financial institutions that receive ACH payments from and send payments (i.e. collections) to the federal government.Gold Book Image Check reclamation is a recovery procedure used by the Bureau of the Fiscal Service to obtain refunds (reclamations) from a presenting financial institution for paid U.S. Treasury checks.FAST Book Image The FAST Book is Supplement 1 to Volume I of the Treasury Financial Manual (TFM). It lists receipt, appropriation, and other fund account symbols and titles assigned by the Department of the Treasury. Last modified 02/01/25