IL-1120-X-V: Payment Voucher for Amended Corporation Income and Replacement Tax (2024)
Illinois · Illinois DOR · Used for tax years 2024
Form IL-1120-X-V is an Illinois payment voucher for amended Corporation Income and Replacement Tax. It identifies the corporation, tax year ending, and payment amount in whole dollars.
Who files this form
Use Form IL-1120-X-V when sending a check or money order with your amended Illinois Corporation Income and Replacement Tax return.
Do not file this voucher if no payment is due or if you pay electronically.
What you'll need
To complete and mail the voucher, have:
- Your federal employer identification number (FEIN).
- Your name, C/O information if applicable, mailing address, and phone number.
- The month and year your tax year ends.
- The amount you are paying, in whole dollars.
- A check or money order for that amount.
- Your amended return.
How to file
- Enter your FEIN, name, C/O information if applicable, address, and phone number.
- Enter the month and year your tax year ends.
- Enter your payment amount in whole dollars only.
- Make your check or money order payable to “Illinois Department of Revenue.” Write your FEIN, tax year ending, and “IL-1120-X-V” on the payment.
- Detach the completed voucher. Attach the voucher and payment to your amended return and mail them to:
Illinois Department of Revenue
P.O. Box 19016
Springfield, IL 62794-9016
If you pay electronically, do not file this voucher. The form does not provide electronic payment instructions.
Common mistakes
- Filing the voucher when no payment is due or when paying electronically. The form says not to file it in either case.
- Entering cents in the payment amount. Use whole dollars only.
- Leaving your FEIN, tax year ending, or “IL-1120-X-V” off your check or money order.
- Making the payment payable to someone other than “Illinois Department of Revenue.”
- Mailing the voucher and payment without attaching them to your amended return.
Questions people ask
Do I need this voucher if I pay electronically?
No. The form says not to file the voucher if you make your payment electronically.
Should I file the voucher if I owe nothing?
No. Do not file this form if no payment is due.
What should I write on my check or money order?
Write your FEIN, tax year ending, and “IL-1120-X-V.” Make it payable to “Illinois Department of Revenue.”
Can I include cents in the payment amount?
The voucher requires whole dollars only.
What should I mail with the voucher?
Attach your completed voucher and check or money order to your amended return, then mail them to the address shown on the voucher.