Iowa Taxes Pages

How to Prepare and File an Iowa Amended Tax Form

If you need to change or amend an accepted Iowa State Income Tax Return for the current or previous Tax Year you need to complete Form IA-1040X. Form IA-1040X is a Form used for the Tax Return and Tax Amendment. You can complete a current Iowa Tax Amendment via the link below - not from within your account. However you can not submit it electronically. In comparison, the IRS requires a different Form - Form 1040X -to amend an IRS return (do not use Form 1040 for an IRS Amendment).

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 Iowa Tax Agency, thus you should file a Iowa Tax Amendment within one year.

File a current Iowa Tax Amendment
You can prepare it here on
Option 1: Sign in to your account, modify your Return and download/print the IA Form 1040 under My Account. Complete and attach Amended Schedule IA 102, mark the check box "Amended Return" on your IA 1040 form, and sign and mail it.
Option 2: If you don't have an account follow the step by step instruction on how to prepare a tax return/amendment.
Option 3: If you want to do the math on your own paper return then complete, sign IA 1040 and IA 102 - Print, Mail the Form to IA Tax Department to:
Iowa Income Tax - Document Processing
P.O. Box 9187
Des Moines, IA 50306-9187
How to correct a rejected Tax Return
If your IA Tax Return was rejected by the IA Tax Agency - not - instructions on how to correct a rejected Iowa Tax Return.
For all Tax Years prior to current tax year, prepare, Print, Sign and Mail-In - see address above - your Tax Amendment by Tax Year as soon as possible.
Check Your IA Tax Amendment Status
1. Call the Iowa Department of Revenue at (515) 281-3114.
2. Contact the IA Dep. of Revenue
Iowa 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 Iowa 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 Iowa 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 Iowa Tax Income Taxes Deadlines
Iowa Income Tax Penalties
Find out how Iowa Late Filing and Late Payment Penalties are calculated.
For IRS Tax and Late Filing Penalties we have an easy to use tool: The PENALTYucator.
File an IRS Tax Amendment by Tax Year
Instructions on how to prepare an IRS Tax Amendment on, however the IRS does not accept Tax Amendments electronically.

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.