IL-1120-ST-V

The IL-1120-ST-V is a payment voucher used by small business corporations in Illinois to remit payments for the Replacement Tax. This tax applies to small businesses that are classified as S corporations or limited liability companies (LLCs) in Illinois. The IL-1120-ST-V voucher is used when a payment is due, and it must be submitted along with the corresponding check or money order to the Illinois Department of Revenue. If you are paying electronically or if no payment is due, you do not need to file this voucher. The form is straightforward and helps the Illinois Department of Revenue process payments more efficiently, ensuring businesses remain in good standing with their tax obligations.

How to File IL-1120-ST-V

1. Fill Out the Required Information: Complete all fields on the voucher, ensuring you include your FEIN (Federal Employer Identification Number), the tax year ending, and your payment amount in whole dollars.
2. Attach Payment: If you are making a payment by mail, include a check or money order payable to Illinois Department of Revenue.
3. Submit the Voucher: Mail the completed voucher, along with your payment, to the address provided on the form.
4. Electronic Payment Option: You can also make your payment electronically through the Illinois Department of Revenue’s website for faster processing and immediate confirmation.

How to Complete IL-1120-ST-V

Header Section

• FEIN:
  • Enter your Federal Employer Identification Number (FEIN). This number uniquely identifies your business for tax purposes.
• Name:
  • Enter the full legal name of your business as registered with the Illinois Department of Revenue.
• C/O:
  • If applicable, provide any care of (C/O) information for your business. This is typically used for forwarding purposes or if a third party is handling your correspondence.
• Mailing Address:
  • Enter your business’s mailing address, including the street address, city, state, and ZIP code.
• Phone Number:
  • Provide a phone number where your business can be reached if the Illinois Department of Revenue needs to contact you.

Payment Information

• Tax Year Ending:
  • Enter the month and year that marks the end of your tax year. This indicates the period for which the tax is being paid.
• Payment Amount:
  • Enter the amount you are paying. Ensure that the payment amount is rounded to whole dollars. If you are unsure of the exact amount, review your IL-1120-ST form to confirm.

Payment Instructions

• Payment by Mail:
  • If you are sending your payment by check or money order, make sure to:
    • Write your FEIN, tax year ending, and “IL-1120-ST-V” on the payment.
    • Make your check or money order payable to the “Illinois Department of Revenue.”
  • Detach the voucher from the form and enclose it with your payment, then mail the completed voucher and payment to:
    • Illinois Department of Revenue
    • P.O. Box 19053
    • Springfield, IL 62794-9053
• Attach to IL-1120-ST Return:
  • If you are filing your IL-1120-ST by mail and are paying at the same time, you can attach the payment voucher to the front page of your return and mail everything together to the address shown on your IL-1120-ST form.
• Electronic Payment:
  • For faster processing, consider paying electronically. This method allows you to:
    • Avoid mailing delays.
    • Save a trip to the post office and the cost of stamps.
    • Receive immediate confirmation of your payment.
• QR Code:
  • The form includes a QR code that you can scan to directly access the electronic payment portal on the Illinois Department of Revenue’s website.

Important Notes

• No Payment Due:
  • If no payment is due, or if you plan to make your payment electronically, do not file this form.
• Electronic Payments Required:
  • If the Illinois Department of Revenue has informed you that you are required to pay electronically, you must do so and cannot use this paper voucher.