Form 2210Underpayment of Estimated Tax by Individuals, Estates and Trusts
Underpayment of Estimated Tax by Individuals, Estates and Trusts. Generally, use Form 2210 to see if you owe a penalty for underpaying your estimated tax and, if you do, to figure the amount of the penalty. Even if you are not required to file Form 2210, you can use it to figure your penalty if you wish to do so. In that case, enter the penalty on your return, but do not file Form 2210.