The IRS Announces Interest Rates Will Remain the Same for the Third Quarter of 2021

The Internal Revenue Service announced that interest rates will remain the same for the calendar quarter beginning July 1, 2021.

The rates will be:

  • 3% for overpayments (two (2) % in the case of a corporation),
  • 0.5% for the portion of a corporate overpayment exceeding $10,000,
  • 3% for underpayments and
  • 5% 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.

The interest rates announced today are computed from the federal short-term rate determined during April 2021 to take effect May 1, 2021, based on daily compounding.

Click here to view Revenue Ruling 2021-10, which contains more information.

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