September 1, 2022 3:47 am

IRS Interest Rates Increased for Q4

The IRS interest rates on overpayments and underpayments for the fourth quarter of 2022 are one percentage point higher than in the third quarter (Rev. Rul. 2022-15). This is the third interest rate increase this year. The rates beginning October 1, 2022, are:

  • 6% for overpayments (5% in the case of a corporation);
  • 3.5% for the portion of a corporate overpayment exceeding $10,000;
  • 6% for underpayments; and
  • 8% for large corporate underpayments.
Tax Glossary


A tax technique of applying a loss or credit from a current year to a later year. For example, a business net operating loss may be carried forward 20 years instead of being carried back.

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