Interest on Underpayments and Overpayments - IRS tax …
Sep 23, 2021 · Interest on Underpayments and Overpayments. We charge underpayment interest when you don't pay your tax, penalties, additions to tax or interest by the due date. The underpayment interest applies even if you file an extension. If you pay more tax than you owe, we pay interest on the overpayment amount.
DA: 92 PA: 17 MOZ Rank: 67