TFM supplements are extensions of the TFM and include detailed instructions, worksheets, and guidelines for financial reporting and accounting procedures. They provide a reference for specific subject matter and contain tables and graphics to illustrate specific data. Supplements cover such areas as cash management, credit administration, and the United States Standard General Ledger.United States Standard General Ledger (USSGL) Certifying Officer Training Federal Account Symbols and Titles (FAST Book) Managing Federal Receivables Gold Book Green Book Treasury Report on Receivables Due From the Public Agency Self Certification Guide V13 Collections Cycle Memo