How to Amend a 1040X
A 1040X is an amended 1040 tax return. A 1040 is the standard form that is used for individuals to file federal income taxes. If you filed an incorrect 1040 tax form, the 1040X is used to amend the original tax return. It is also possible to amend a 1040X form. After you file the 1040X it becomes your new 1040. You can then amend it again using another 1040X form.
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Instructions
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Complete the identifying section of the 1040X form. You must indicate the tax year of the filed 1040 form you want to amend. You also need to print or type your name, address and Social Security number. You are not permitted to amend your filing status from joint to separate after the filing date.
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Make any changes you have to your income and deductions on the 1040X. You will see three columns next to each line item. The first column is for the original amount that was put on your 1040. The second column is the change in value you need to calculate. The third is for the corrected amount.
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Make any changes you have to your tax liability in the next section by using the same three columns to identify adjustments. If your tax liability is staying the same, use your original amounts.
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Adjust any amount of tax payments that you have made in the next section using the same three columns.
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Calculate your new tax liability in the "Refund or Amount You Owe" section. This is a new calculation so you do not use the three columns, only the corrected amounts. Subtract your tax payments from your total tax. If the result is a negative number, you will be receiving a refund. If it is a positive number you owe additional taxes.
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Write a brief explanation of the changes that you made in the box provided on page two of the form. Sign and mail the form to the Internal Revenue Service.
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Tips & Warnings
It can take eight to 10 weeks to process a refund from an amended return. This is longer than it takes when you file a regular 1040 return.
Fill out "Part I Exemptions" on page two of the form only if you are changing the number of claimed exemptions.
While it is acceptable to amend an already amended tax return, be sure to check for accuracy as subsequent filings could raise questions from the Internal Revenue Service.
