IRS · Official form

Form 2210, Underpayment of Estimated Tax by Individuals, Estates, and Trusts

Form 2210 checks whether you paid enough tax during the year through withholding and estimated payments, and figures the penalty if you did not. Fill in the official IRS PDF below.

This is the genuine IRS PDF, unmodified. Source: IRS official page.

What is 2210?

Form 2210, Underpayment of Estimated Tax by Individuals, Estates, and Trusts, determines whether you owe a penalty for underpaying estimated tax and, if so, how much. The US tax system is pay as you go, so tax is expected through withholding or quarterly estimated payments as income is earned, not just at filing time.

In many cases you do not need to file the form at all: the IRS can figure the penalty and bill you. You generally file it when you want to request a waiver, use the annualized income installment method because your income was uneven, or treat withholding as paid when it actually was withheld.

Who files 2210?

  • Taxpayers who underpaid estimated tax and want to request a full or partial penalty waiver
  • People with uneven income who use the annualized income installment method in Schedule AI
  • Filers who need to compute the penalty themselves rather than let the IRS bill them
  • Estates and trusts that underpaid their estimated tax

How to fill out 2210

  1. Complete Part I to find your required annual payment, based on this year’s tax and, in most cases, last year’s tax.
  2. Use the flowchart on page 1 to see whether you must file the form at all; many filers can stop there and let the IRS figure any penalty.
  3. If you are requesting a waiver or using the annualized method, check the applicable box in Part II.
  4. Work through Part III, or Schedule AI for annualized income, to figure the underpayment for each payment period and the penalty.
  5. Download the PDF and attach it to your return, entering the penalty on the designated line of your Form 1040.

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Frequently asked questions

Do I have to file Form 2210 if I underpaid?

Usually not. The IRS will figure the penalty and send a bill. You file the form when you want a waiver, when the annualized method lowers your penalty, or in the other situations listed in Part II.

How do I avoid the penalty next year?

Pay enough through withholding and estimated payments to meet a safe harbor, generally a percentage of this year’s or last year’s tax as described in the instructions. Increasing paycheck withholding late in the year can also help, since withholding is treated as paid evenly through the year.

Can the penalty be waived?

The IRS can waive it in limited cases, such as casualty, disaster, or other unusual circumstances, or for certain retirees and newly disabled taxpayers with reasonable cause. Check box A or B in Part II and attach an explanation.