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How to use or fill out it40x with our platform
- Click ‘Get Form’ to open the IT-40X in the editor.
- Begin by entering your tax year and Social Security numbers in the designated fields. If filing jointly, include your spouse's information as well.
- Fill in your present address and mark if you are married filing separately or if the amendment is due to a Net Operating Loss (NOL).
- Complete Part 1 on the back of the form to explain any changes made to your original return.
- In Column A, enter amounts from your original return. In Column B, indicate any changes, and in Column C, provide the correct amounts.
- Review all entries for accuracy before signing and dating the form at the bottom.
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