| FOF Code | Description |
| + FL313161105.Q | Federal government; Treasury securities, excluding U.S. savings bonds, and including special U.S. Treasury securities held by FHLB; liability |
| - FL103061103.Q | Nonfinancial corporate business; Treasury securities; asset |
| - FL213061105.Q | State and local governments, excluding employee retirement funds; Treasury securities, including SLGS; asset |
| - FL263061105.Q | Rest of the world; Treasury securities; asset |
| - FL793061105.Q | Financial business; Treasury securities; asset |
| - FL113061003.Q | Nonfinancial noncorporate business; total U.S. government securities; asset |