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Instructions for Form IL-1120-ST Small Business Corporation Replacement Tax Return - Illinois
This document contains official instructions for Form IL-1120-ST , Small Business Corporation Replacement Tax Return - a form released and collected by the Illinois Department of Revenue. An up-to-date fillable Form IL-1120-ST is available for download through this link.
Instruction Details:
- This 31-page document is available for download in PDF;
- Might not be applicable for the current year. Choose a more recent version;
- 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-ST Small Business Corporation Replacement Tax Return - Illinois
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