Get R-210nra (1/12) Underpayment Of Individual Income Tax Penalty Computation 2011 Taxable Year

For corporations who underpay, the IRS adds 2% to the short-term federal funds rate. As of the first quarter of 2024, the interest rate on underpayments is 8% for individuals and 7% for corporations. To calculate an underpayment penalty, the IRS then multiplies the amount of unpaid tax by the quarterly interest rate.

To request a waiver when you file, complete IRS Form 2210 and submit it with your tax return. With the form, attach an explanation for why you didn't pay estimated taxes in the specific time period that you're requesting a waiver for. Also attach documentation that supports your statement.

If you didn't pay enough tax throughout the year, either through withholding or by making estimated tax payments, you may have to pay a penalty for underpayment of estimated tax.

Estimated tax payment safe harbor details The IRS will not charge you an underpayment penalty if: You pay at least 90% of the tax you owe for the current year, or 100% of the tax you owed for the previous tax year, or. You owe less than $1,000 in tax after subtracting withholdings and credits.

When you do your taxes in tax software, the software sometimes calculates an underpayment penalty. It thinks you owe the penalty when your tax withholding plus any estimated tax payments were below a certain threshold (the “safe harbor“): Within $1,000 of your tax obligation (by withholding only); or.

Penalty for substantial understatement You understate your tax if the tax shown on your return is less than the correct tax. The understatement is substantial if it is more than the larger of 10 percent of the correct tax or $5,000 for individuals.

An underpayment penalty is a fine levied by the Internal Revenue Service (IRS) on taxpayers who don't pay enough tax during the year through withholding and/or their estimated tax payments, or who pay late.

The failure-to-pay penalty is one-half of one percent for each month, or part of a month, up to a maximum of 25%, of the amount of tax that remains unpaid from the due date of the return until the tax is paid in full.