Skip to main content
 
 
 
 
Taxpayer Answer Center

Quick Links

Information For

About IDOR

Tax Forms

IL-1040 Individual Income Tax Return

Attention Firefox Users

Firefox uses a built-in viewer to present PDF documents by default.

This viewer does not allow users to fill in form fields. To use fill-in form fields, follow these instructions to open a PDF outside of Firefox.

Attention Chrome Users

Chrome uses a built-in viewer to present PDF documents by default.

Some advanced features used in our PDF forms may not work with this built-in viewer. If you experience difficulty with a fill-in form, follow these instructions to open a PDF outside of Chrome.

Did you know you can file this form online?

Filing online is quick and easy!