The IRS announced today that interest rates for the fourth quarter (beginning October 1, 2013) will be unchanged:
- 3% for overpayments (2% for corporate overpayments);
- 3% for underpayments;
- 5% for large corporate underpayments; and
- 0.5% for corporate overpayments exceeding $10,000.
The announcement is Revenue Ruling 2013-16 and will be in Internal Revenue Bulletin 2013-40.