United States. Bureau of the Budget and United States. Office of Management and Budget. "Fiscal Year 2004 : Advance Appropriations, Advance Funding, and Forward Funding," Budget of the United States Government - Appendix (February 3, 2003). https://fraser.stlouisfed.org/title/233/item/5758/content/pdf/BUDGET-2004-APP-2-2, accessed on March 13, 2026.