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Instructions for Form IL-1120 Corporation Income and Replacement Tax Return - Illinois
This document contains official instructions for Form IL-1120 , Corporation Income and Replacement Tax Return - a form released and collected by the Illinois Department of Revenue. An up-to-date fillable Form IL-1120 Schedule INS is available for download through this link.
Instruction Details:
- This 20-page document is available for download in PDF;
- Actual and applicable for the current year;
- Complete, printable, and free.
Download your copy of the instructions by clicking the link below or browse hundreds of other forms in our library of forms released by the Illinois Department of Revenue.
Download Instructions for Form IL-1120 Corporation Income and Replacement Tax Return - Illinois
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