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Tax-prep Software for Form IL-1120, Form IL-1120-ST, and Form IL-1065 Filers

Answer #810 -- ( Published 04/27/2011 04:13 PM | Updated 07/12/2017 11:45 AM )

What software do I use to electronically file my Form IL-1120, Corporation Income and Replacement Tax Return, Form IL-1120-ST, Small Business Corporation Replacement Tax Return, or Form IL-1065, Partnership Replacement Tax Return?

You can write your own software or buy software from an accepted electronic filer (third party). Click here for more information.

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