Form IL-1120 Corporation Income and Replacement Tax Return - Illinois

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Instructions for Form IL-1120 Corporation Income and Replacement Tax Return - Illinois

What Is Form IL-1120?

This is a legal form that was released by the Illinois Department of Revenue - a government authority operating within Illinois. Check the official instructions before completing and submitting the form.

Form Details:

• Released on December 1, 2022;
• The latest edition provided by the Illinois Department of Revenue;
• Easy to use and ready to print;
• Quick to customize;
• Compatible with most PDF-viewing applications;
• Fill out the form in our online filing application.

Download a fillable version of Form IL-1120 by clicking the link below{class="scroll_to"} or browse more documents and templates provided by the Illinois Department of Revenue.