If you need to make a change to an already accepted Mississippi return, you must file an amended return.
How do I generate an amended return for Mississippi?
To generate your amended state return, please follow the steps below.
- Select 2025 Amended Return from the navigation bar
- Pay for your amended return
- Read the "Filing an Amended Return" page, then press continue
- Select Amend State Return(s)
- Select "Amend State" within the white box by selecting the 3 dots (...)
- Scroll to the bottom of the state return menu (Mississippi Return page) and select Amended Return
- Select "Yes" to the question "Do you want to file an Amended Return?" to generate your Mississippi amended return
- Enter the reason for the amended return and original refund amount, if applicable, then select continue
- Complete the rest of the applicable sections
What if I received a refund from my original Mississippi return?
If you received a refund from the state, you must report the amount on your amended return so it is included in your amended return's calculations. To do so, follow the pathway above to navigate to the Amended Return section of your state return. Next, you will enter your refund amount in the box labeled "Enter the original refund received amount."
What if I originally owed state taxes?
If you made a tax payment after your original state return was accepted, you must report it on your amended return so the amount is included in your calculations. To do so, please follow the steps below.
- Select 2025 Amended Return from the navigation bar
- Select Amend State Return(s)
- Select "Amend State" within the white box
- Select Payments
- Enter your payment in the box labeled "Enter amount paid on Original Return"
How do I file my Amended Mississippi return?
Amended state returns must be paper filed. To print your amended return select "Print Amended Return" from the Amended Tax Return - Form 1040X page once inside the 2025 Amended Return. Selecting "Print" on the Amended Questions page generates your PDF which contains your amended state return.
Simply print, sign, and mail your amended Mississippi return to paper file it.
Only the amended return (not the originally filed return) and copies of supporting documents (W-2's, 1099's, etc.) that supports the reason for the change to the tax return need to be mailed unless the state or IRS specifically ask for other documents. View and compare your original and amended pdf's to see the changes.
The state amended return mailing address can be found on the printed form and state department of revenue website. The address to mail the return may differ if you are receiving a refund or making a payment with your return.
Additional Information
When you file an amended return you must provide an explanation regarding what it is you changed. Please make sure to provide your explanation when completing your amended return(s).
The purchase of an amended return is nonrefundable.