Introduction

10/31/2001 — 10/30/2026Released MonthlyLast Updated 11/04/2026New Data Expected 12/04/20261 Data Table

The Federal Investments Program: Interest Cost by Fund dataset provides a summary of accounts within the Federal Investments Program including premiums, discounts, accrued interest collected, interest payments, and inflation compensation for all accounts invested in Government Account Series (GAS) Securities, as well as premium and discount amortization for accounts invested in zero-coupon bonds. Additionally, this dataset shows the Treasury Account Symbol (TAS) information for all accounts.

Reports and Files

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Date Range

Data Table:

N/A

Date Range:

CSVJSONXML

Dataset Properties

Data Table Name	Field Name	Display Name	Description	Data Type	Is Required
Federal Investments Program: Interest Cost by Fund	record_date	Record Date	The date that data was published.	DATE	1
Federal Investments Program: Interest Cost by Fund	fund_id	Fund ID	Treasury Account Symbol (TAS), representing individual appropriation, receipt, and other fund accounts for agencies and bureaus.	STRING	1
Federal Investments Program: Interest Cost by Fund	fund_desc	Fund Description	Account Name	STRING	1
Federal Investments Program: Interest Cost by Fund	cost_type_desc	Cost Type Description	The type of cost based accounting method used (cash or accrual basis).	STRING	1
Federal Investments Program: Interest Cost by Fund	net_premium_amt	Net Premium Amount	For cash basis accounts, the net premium amount represents the net of premiums paid and collected for an account. A positive value indicates that the value of premiums paid was greater than the value of premiums collected. For accrual basis accounts, the net premium amount represents the amount of premiums amortized. Investment accounts pay a premium on non-marketable securities when the purchase price exceeds $100 on the specific security being purchased.	CURRENCY	0

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API Quick Guide

Endpoint

BASE URL:

https://api.fiscaldata.treasury.gov/services/api/fiscal_service/

ENDPOINT:

FULL URL:

https://api.fiscaldata.treasury.gov/services/api/fiscal_service/

Fields

Refer to Dataset Properties above for a data dictionary with field names and descriptions, as well as notes and known limitations. known limitations.

Field Name	Display Name	Data Type

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Data Types

All data is returned as a string, including nulls. Refer to the chart above for the intended data type of each field.

Federal Investments Program: Interest Cost by Fund