Tax Relief Support Hotline

IRS Announces Interest Rate Increase for Fourth Quarter 2023

The Internal Revenue Service (IRS) has recently announced an important update regarding interest rates that will come into effect for the fourth quarter of 2023, starting from October 1st. These changes have implications for individuals and corporations, affecting overpayments, underpayments, and large corporate transactions. In this blog, we’ll break down the details of the interest rate adjustments and what they mean for taxpayers.

irs tax debt relief

Interest Rate Changes for Individuals and Corporations

For individuals, the new interest rate for overpayments and underpayments will be 8% per year, compounded daily. On the other hand, corporations will face varying rates:

– 8% for overpayments (payments made in excess of the amount owed).

– 7% for underpayments (taxes owed but not fully paid) by corporations.

– 5.5% for the portion of a corporate overpayment exceeding $10,000.

– 10% for large corporate underpayments.

Understanding the Calculation

Under the regulations set forth by the Internal Revenue Code, interest rates are determined on a quarterly basis. For individuals and taxpayers other than corporations, the overpayment and underpayment rate is established by adding 3 percentage points to the federal short-term rate.

On the corporate front, the rules are slightly different. Corporations facing underpayments will be subjected to an interest rate comprising the federal short-term rate plus 3 percentage points. Meanwhile, overpayments by corporations will incur a rate calculated as the federal short-term rate plus 2 percentage points. Notably, large corporate underpayments will face a higher rate of interest, consisting of the federal short-term rate plus 5 percentage points.

For corporate overpayments that exceed $10,000, the interest rate will be the federal short-term rate plus half (0.5) of a percentage point.

The Basis of Calculation

The interest rates revealed by the IRS in this announcement are derived from the federal short-term rate recorded in July 2023. This comprehensive data helps to compute the updated rates for the upcoming quarter. To access the full scope of the calculations and adjustments, consult the revenue ruling for precise details.

Publication and Effective Date

The official document outlining the interest rate changes is Revenue Ruling 2023-17PDF. This ruling is set to be featured in the Internal Revenue Bulletin 2023-37, slated for release on September 11, 2023. It’s imperative for taxpayers to stay informed about these changes, especially if they have ongoing tax obligations or potential interest implications in the upcoming quarter.


As the IRS gears up to introduce increased interest rates for the fourth quarter of 2023, taxpayers need to be aware of the adjustments that may affect their financial activities. These changes primarily focus on the rates for overpayments, underpayments, and large corporate transactions. Staying informed about these variations in interest rates is crucial for effective financial planning, tax compliance, and making informed financial decisions.

Keep an eye on the official IRS publications and documents for accurate and detailed information about these interest rate changes. If you’re uncertain about how these changes might impact your specific situation, consider seeking guidance from a qualified tax professional who can offer tailored advice based on your individual circumstances.

You can click here or call (800) 875-5509 to be connected with a verified partner of IRS Fresh Start Initiative.

Share this post:

Related Posts
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore