Same Interest Rates for the Fourth Quarter of 2014

On September 3, 2014, the IRS announced that the underpayment and overpayment interest rates for the fourth quarter of 2014 will remain the same The rates will be:

three (3) percent for overpayments (two (2) percent in the case of a corporation);
three (3) percent for underpayments;
five (5) percent for large corporate underpayments; and
one-half (0.5) 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.  You can trace the interest rates for the fourth quarter of 2014 directly to this calculation.

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 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.

It is important to note that the underpayment interest rates for the fourth quarter of 2014 will be used to determine the PFIC interest rate on the excess distribution for the fourth quarter of 2014.