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Business & farm
Yes you must submit it with your tax return and it must be mailed. See the information below.
Form 3115 Instruction: By including this with the current year tax return, you can complete everything on the 2024 tax return.
- Adopt a change in accounting method: This option allows you to go back as far as you need. Make the adjustment on your current year tax return to expense the missing depreciation.
- Why am I adopting a change in accounting method? Not claiming depreciation in two or more years indicates that you've chosen an accounting method without depreciation. In this case, you must now elect to change your accounting method to include depreciation.
- You must use the TurboTax Desktop to complete this form. TurboTax doesn't help you with this form. And your return must be mailed because this form is not supported through e-file.
Keep in mind that even if you prepare the form 3115 in TurboTax, you will need to manually include the Section 481(a) adjustment to your return under miscellaneous expense.
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February 25, 2026
6:43 AM