The Internal Revenue Service today announced that interest rates will increase for the calendar quarter beginning Jan. 1, 2023.
Revenue Ruling 2022-23 will be in IRB: 2022-51, dated December 19, 2022. Revenue Ruling 2022-23 provides the interest rates for the first calendar quarter of 2023, underpayments and overpayments. The rates for interest determined under Section 6621 of the code for the calendar quarter beginning January 1, 2023, will be 7 percent for overpayments (6 percent in the case of a corporation), 7 percent for underpayments, and 9 percent for large corporate underpayments. The rate of interest paid on the portion of a corporate overpayment exceeding $10,000 will be 4.5 percent.
For individuals, the rate for overpayments and underpayments will be 7% per year, compounded daily, up from 6% for the quarter that began on October 1. Here is a complete list of the new rates:
7% for overpayments (payments made in excess of the amount owed), 6% for corporations.
4.5% for the portion of a corporate overpayment exceeding $10,000.
7% for underpayments. (taxes owed but not fully paid)
9% for large corporate underpayments.
Under the Internal Revenue Code, the rate of interest is determined on a quarterly basis. For taxpayers other than corporations, the overpayment and underpayment rate is the federal short-term rate plus 3 percentage points.
Generally, in the case of a corporation, the underpayment rate is the federal short-term rate plus 3 percentage points and the overpayment rate is the federal short-term rate plus 2 percentage points. The rate for large corporate underpayments is the federal short-term rate plus 5 percentage points. The rate on the portion of a corporate overpayment of tax exceeding $10,000 for a taxable period is the federal short-term rate plus one-half (0.5) of a percentage point.