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You should file an amended federal tax return if you need to correct anything on your tax return. Some of the most common corrections are: filing status, total income, tax deductions or tax credits.
Form 1040X
If you need to send in amended form 1040, you will be required to complete a 1040X. It is very straightforward and includes worksheets to help guide you through the form. If you used an online tax service then the form is filled out for you after a series of questions about the change that needs to be made.
How to Submit the Documents
A completed 1040X form can be mailed to: Department Of The Treasury, Internal Revenue Service Center, Austin Texas 73301-0255. Remember to include all supporting documentation.
If the amendment resulted in an increased tax amount due, then you will need to send the amendment, as well as payment no later than April 15. If it is late when you send it, fines and penalties can be assessed.
