2021 Underpayment of Estimated Tax by Individuals (REV-1630). Forms/Publications-2026

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The document provides instructions for Pennsylvania taxpayers on how to calculate and report underpayment of estimated tax for individuals. It outlines the process for determining if enough estimated tax was paid, details exceptions to penalties, and includes worksheets for calculating underpayments and interest due. Taxpayers who qualify for 100% tax forgiveness from the previous year are exempt from penalties. The form must be completed even if exceptions apply, and it is essential for those who did not meet estimated payment requirements.

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Click ‘Get Form’ to open the 2021 Underpayment of Estimated Tax by Individuals (REV-1630) in our editor.
Begin by entering your name as shown on PA-40 and your Social Security Number at the top of the form.
In Section I, calculate your underpayment. Start with Line 1a, where you will input your 2021 tax liability from Form PA-40.
Proceed to Line 1b and multiply the amount from Line 1a by 0.90. This helps determine if you owe a penalty.
Continue filling out Lines 2 through 10, following the instructions for each line carefully to assess any underpayments.
If applicable, move to Section II to check for exceptions to interest penalties. Complete the Exception Worksheet as needed.
Finally, review all entries for accuracy before saving or printing your completed form directly from our platform.

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What is the IRS form for underpayment of estimated taxes?

Purpose of Form Use Form 2210 to see if you owe a penalty for underpaying your estimated tax. The IRS will generally figure your penalty for you and you should not file Form 2210.

Why would I have a penalty for underpayment of estimated taxes?

Failure to pay the right amount of estimated tax throughout the year might result in a penalty for underpayment of estimated tax. The IRS does this to promote on-time and accurate estimated tax payments.

How do I avoid the penalty for underpayment of estimated taxes?

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.

What is a rev 1630?

What is the purpose of pa rev 1630? The purpose of PA REV-1630 is to allow taxpayers to request a refund for any overpayments made on their income taxes in Pennsylvania.

How to avoid PA underpayment penalty?

Underpayment of Employer Withholding Tax Include the amount of the underpayment on Line 2, Total PA Withholding Tax, of the quarterly withholding return. Important: To avoid the 5 percent per month underpayment penalty, the amendment must be made on the quarterly return for the period of the under remittance.

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