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State tax filing
Not sure why this answer is still here. I have lived in IL for thirty years and have never sent in my federal return with the IL return. If you filed a federal return you are required to FILE an IL return, but IL does not require you to mail the federal return to them.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
‎June 7, 2019
3:03 PM