US flag Official website of the Department of Homeland Security

Quarterly IRS Interest Rates Used in Calculating Interest on Overdue Accounts and Refunds on Customs Duties

This notice advises the public of the quarterly Internal Revenue Service interest rates used to calculate interest on overdue accounts (underpayments) and refunds (overpayments) of customs duties remains unchanged from the previous quarter. For the calendar quarter beginning October 1, 2015, the interest rates for overpayments will be 2 percent for corporations and 3 percent for noncorporations, and the interest rate for underpayments will be 3 percent for both corporations and non-corporations.

Wednesday, October 28, 2015
80 FR 66016
Last modified: 
October 30, 2015