Skip to main content
 
 
 
 
Taxpayer Answer Center

Quick Links

Information For

About IDOR

Tax Forms

2017 IL-941 Illinois Withholding 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.

STOP:

Are you filing the 2016 Form IL-941 that is due January 31, 2017 for withholding made during calendar year 2016 (January 1, 2016 through December 31, 2016)?

If so, click here:

2016 IL-941, Illinois Withholding Income Tax Return

or

Are you filing your 2017 Form IL-941 for withholding made during calendar year 2017 (from January 1, 2017 through December 31, 2017)? If so, click here:

2017 IL-941, Illinois Withholding Income Tax Return