Indiana Income Tax Return Amendment
If you need to change or amend an accepted Indiana State Income Tax Return for the current or previous Tax Year, you need to complete Form IT-40X.
- Current and previous tax year: You can NOT prepare an Indiana Tax Amendment on eFile.com, however you must mail in the amendment as you can not e-File an Indiana tax amendment. You can prepare an IRS tax amendment on eFile.com; click here for IRS tax amendment instruction. An IRS tax amendment is prepared through Form 1040X.
The IRS might send you a notification to change an error on your Return, or you might have discovered an error. If you or the IRS amended or changed one of your IRS Tax Return(s), the IRS will report this to the Indiana Tax Agency, thus you should file an Indiana Amendment within one year.
Prepare only an IN State Return
File a current tax year
Indiana Tax Amendment
You cannot eFile an IN Tax Amendment anywhere, except mail it in.Only Option:
You need to complete, sign Form IT-40X
, writing the Tax Year in the box on the upper right hand corner of the form to indicate which Tax Year Return you are amending- Print, Mail the Form to IN Tax Department to:
Indiana Department of Revenue
100 North Senate Ave.
Indianapolis, IN 46204-2253
IN Tax Amendment Form IT-40X
This Form can be used to file a: Tax Amendment, Change of Address.
Step 1: Download, Complete Form IT-40X below. Make sure you write the Tax Year you are amending in the box on the upper right hand corner of the form.
Step 2: Sign, Mail Form IT-40X to the address listed above
For all Tax Years prior to the current tax year
Prepare, Print, Sign and Mail-In - see address above - your Tax Amendment as soon as possible. Write the Tax Year in the box on the upper right hand corner of the form to report the Tax Year Return you are correcting. You will also file an IRS Tax Amendment Form 1040X
Indiana Refund Deadlines
A. Three years from the due date of the original tax year return, including valid filing extensions.
B. One year from the final determination of the amended federal return or federal change, whichever is later, provided that the allowable refund is not more than the decrease in Indiana tax attributable to the federal change or correction.
C. Two years from the payment of an assessment, provided the amended return raises issues relating only to the prior assessment and the refund does not exceed the amount of tax paid on the prior assessment.
D. Two years from the filing of an amended Indiana return resulting in the payment of additional tax, provided that the current amended return raises issues relating solely to the prior amended return and that the refund does not exceed the amount of the tax payment made as a result of the prior amended return.Additional Indiana Tax Income Taxes Deadlines
Will I get a bigger tax refund in 2024?
Many taxpayers can expect a bigger tax refund on their 2023 taxes. To help you keep up with soaring inflation, the IRS is making bigger changes than usual that could save you big money on your 2023 taxes, which is the tax return you'll file in 2024.
Take control of your personal life relationships, finances, and taxes: follow the tips on this page and keep up with tax planning for next year. You can use this free Tax Refund Calculator 2023 to get a high-level understanding of your taxes.
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