IRS Press Release
IR-2017-104, June 9, 2017
WASHINGTON ― The Internal Revenue Service today announced that interest rates will remain the same for the calendar quarter beginning July 1, 2017. The rates will be:
four (4) percent for overpayments (three (3) percent in the case of a corporation);
1 and one-half (1.5) percent for the portion of a corporate overpayment exceeding $10,000;
four (4) percent for underpayments; and
six (6) percent for large corporate underpayments.
Under the Internal Revenue Code, the rate of interest is determined on a quarterly basis […]