The Internal Revenue Service (IRS) has announced that interest rates will remain the same for the calendar quarter beginning July 1, 2012. The rates will be:
- 3 percent for overpayments (2 percent in the case of a corporation);
- 3 percent for underpayments;
- 5 percent for large corporate underpayments; and
- 0.5 percent for the portion of a corporate overpayment exceeding $10,000.






