Interest rates increase for the fourth quarter.

• Position: IRS Update - Brief Article

There will be a one-percentage point increase in the interest rates for the calendar quarter beginning Oct. 1, the IRS reports.

The interest rates are as follows:

* 5 percent for overpayments (4 percent in the case of corporations);

* 5 percent for underpayments;

* 7 percent for large corporate underpayments; and

* 2.5 percent for the portion of a corporate overpayment...