How do I make a business income tax payment in MyTax Illinois?

After you log in to MyTax Illinois account, take the following actions.

  1. Select "View more account options" in your "Business Income Tax" account
  2. Select "View Account Periods" in "Periods and Submissions"
  3. Choose the appropriate period (tax year ending date) for your payment
  4. Select "Make a Payment"
  5. Select "Bank Account Debit" to make an electronic payment
  6. Choose the payment type associated with the return you are filing
Note: Form IL-1120 filers may make estimated payments by selecting "View more account options",  "Account Options", then "Make an Estimated Payment" in their Business Income Tax account. 

If you have additional inquiries, you may submit them to the Questions, Comments, or Request form.