Irs Quarterly Interest Rates 2024. The rates for interest determined under section 6621 of the code for the calendar quarter beginning january 1, 2024, will be 8 percent for overpayments (7. The irs has confirmed that the interest rates for q3, beginning on july 1 of 2024, will be as follows:

The irs interest rate on unpaid taxes and tax refunds for individuals is 8% for the first three quarters of 2024 (the rate is adjusted on a quarterly basis). The internal revenue service (irs) has announced that interest rates will remain unchanged for the calendar quarter starting july 1, 2024.