Illinois tax forms by mail

To request Illinois tax forms by mail, you can follow these steps:

  1. Visit the Illinois Department of Revenue (IDOR) website at www.revenue.state.il.us.
  2. Click on the "Forms" tab at the top of the page.
  3. Select the type of form you need from the list of available forms.
  4. Click on the "Order Form" button next to the form you want.
  5. Fill out the online form request, including your name, address, and the type and quantity of forms you need.
  6. Click the "Submit" button to submit your request.
  7. IDOR will mail the forms to you within 7-10 business days.

Alternatively, you can also request Illinois tax forms by mail by calling the IDOR's Forms Request Line at (217) 785-3707. You can also request forms by faxing a completed Form IL-894, Request for Tax Forms, to (217) 785-3711.

Here are some common Illinois tax forms that you may need:

Please note that you may need to provide additional information or documentation to support your request for tax forms.