The U.S. Treasury's Bureau of the Fiscal Service (Off-site) sells Treasury bills, notes, bonds, Treasury Inflation-Protected Securities (TIPS) and Floating Rate Notes (FRNs) at approximately 325 auctions each year to raise the cash needed to operate the federal government and to refund maturing securities. The Federal Reserve assists in the auction by accepting and processing tenders, issuing securities to the successful bidders and serving financial institutions.
For more information about Treasury Auctions, visit TreasuryDirect's Auctions (Off-site) page or the New York Fed's website (Off-site).