First Quarter 2017 Underpayment and Overpayment Interest Rates

On December 5, 2016, the IRS announced that the First Quarter 2017 underpayment and overpayment interest rates will remain the same from the Fourth Quarter of 2016.

This means that, the First Quarter 2017 underpayment and overpayment interest rates will be as follows:

four (4) percent for overpayments (two (3) percent in the case of a corporation);
four (4) percent for underpayments;
six (6) percent for large corporate underpayments; and
one and one-half (1.5) percent for the portion of a corporate overpayment exceeding $10,000.

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 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 First Quarter 2017 underpayment rates are relevant not only for simple amended tax returns (with amounts due), but also for a number of other different reasons. Here, I would like to emphasize two particular reasons for the importance of the first quarter 2017 underpayment rates. First, it is used to calculate interest for the US taxpayers who participate in the OVDP or the Streamlined Domestic Offshore Procedures.

Second, the first quarter 2017 underpayment rates will be relevant to future PFIC interest calculation on any excess distributions (for default Section 1291 PFICs).

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