IL-1040-X-V: Payment Voucher for Amended Individual Income Tax (2025)
Illinois · Illinois DOR · Used for tax years 2025
Form IL-1040-X-V is the Illinois payment voucher for an amount owed on your 2025 amended individual income tax return, Form IL-1040-X. It identifies you and the payment amount and is sent with your payment.
Who files this form
Use the 2025 Form IL-1040-X-V to pay the amount you owe on Form IL-1040-X, Amended Individual Income Tax Return, if you do not pay electronically.
Do not file this voucher if no payment is due or if you pay electronically.
What you'll need
To complete the voucher and pay by check, have:
- The amount you owe on Form IL-1040-X.
- Your Social Security number and your spouse’s Social Security number, as applicable.
- Your name, your spouse’s name as applicable, and your mailing address.
- A check payable to the Illinois Department of Revenue.
Write your Social Security number(s) on your check.
How to file
The form encourages electronic payment at mytax.illinois.gov. If you pay electronically, do not file Form IL-1040-X-V.
If you do not pay electronically:
- Complete the voucher with your identifying information, address, and payment amount.
- Make your check payable to Illinois Department of Revenue.
- Write your Social Security number(s) on the check.
- Mail the voucher and payment to:
ILLINOIS DEPARTMENT OF REVENUE
PO BOX 19007
SPRINGFIELD IL 62794-9007
Common mistakes
- Filing the voucher when no payment is due. The form says not to file it in this situation.
- Filing the voucher after paying electronically. Electronic payments do not require this voucher.
- Redacting Social Security numbers. The form warns that this can cause processing delays.
- Leaving Social Security number(s) off your check. The form tells you to write them on the check.
- Omitting required information. The form warns that failure to provide information could result in a penalty.
Questions people ask
Can I pay electronically instead of mailing a check?
Yes. The form encourages payment at mytax.illinois.gov. Do not file the voucher if you pay electronically.
Should I send this voucher if I owe nothing?
No. The form says not to file it if no payment is due.
How much should I pay with the voucher?
Pay the amount you owe on Form IL-1040-X, Amended Individual Income Tax Return.
Who should I make my check payable to?
Make it payable to the Illinois Department of Revenue and write your Social Security number(s) on the check.
Can I redact my Social Security number on the voucher?
No. The form specifically warns not to redact Social Security number(s), because doing so can cause processing delays.