Archive of historical interest rates for Qualified Tax Credit Bonds (QTCB) through January 29, 2018. QTCBs are no longer being issued.
The Historical Qualified Tax Credit Bond Interest Rates dataset provides the historical interest rate, term to maturity, and permitted sinking fund yield (PSFY) for Qualified Tax Credit Bonds (QTCBs) reported daily through January 30, 2018. QTCBs include: new clean renewable energy bonds, qualified energy conservation bonds, qualified zone academy bonds, and qualified school construction bonds.
As of January 30, 2018, the Treasury Department will no longer be posting the interest rates for the Qualified Tax Credit Bonds due to the passage of the Tax Cuts and Jobs Act of 2017 which has eliminated the future issuances of these bonds. Section 54A of the Internal Revenue Code (IRC) provides rules for the issuance and use of qualified tax credit bonds.
fields=parameter accepts a comma-separated list of field names (no parentheses).
fields=parameter is not available for the endpoint accessed, an error will occur. Note that omitting fields can result in automatically aggregated and summed data results. For more information, view the full documentation on Aggregation and Sums.
filter=accepts filters from the list below, as well as specified filter criteria. Use a colon at the end of a filter parameter to pass a value or list of values. For lists passed as filter criteria, use a comma-separated list within parentheses. Filter for specific dates using the format
lt= Less than
lte= Less than or equal to
gt= Greater than
gte= Greater than or equal to
eq= Equal to
in= Contained in a given set
sort=accepts a comma-separated list of field names.
sort=parameter a comma-separated list.
csvas an input.
page[size]=parameters both accept integers.
in descending order