Illinois Pass-Through Entity Tax Payment Instructions

Illinois Pass-Through Entity Payments or Replacement Tax – Through MYTAXILLINOIS.GOV

  • To make your Illinois Payment for your pass-through entity through your existing MyTaxIllinois.gov account, or to create an account, access the state of Illinois website here and sign in (or follow the prompts to create an account)
  • Once logged in to your account, on the top menu, select “Summary”
  • On the next screen, under “Business Income Tax”, select “View more account options”,
  • On the next screen, under “Periods and Submissions”, select “View Account Periods” and select the year in which you are making a payment for
    • For estimates towards next tax year, select 12/31/2024
    • For current tax year balance due payments, select 12/31/2023
  • On the right side of the screen select “Make a Payment” then select your payment method (choose “Bank Account Debit” to pay electronically)
  • On the next screen, select the type of payment you want to submit based on the type of entity you are
    • C corporations should choose IL-1120 Payment
    • S corporations should choose IL-1120-ST Payment
    • Partnerships/LLCs should choose IL-1065 Payment
  • On the “Payment” screen, enter in your payment information, payment date, and payment amount and click “Submit”
  • Print confirmation screen and keep for your records; you can also upload a copy to the portal and we will add to your file

Contact APEX

For more detailed Illinois pass-through entity tax payment instructions or support on your taxes, please reach out to our Tax Team or give us a call at 630.584.4555.