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This version of the form is not currently in use and is provided for reference only. Download this version of
Instructions for Form IL-1120-ST
for the current year.
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.
FAQ
Q: What is Form IL-1120-ST?A: Form IL-1120-ST is the Replacement Tax Return for Small Business Corporations in Illinois.
Q: Who needs to file Form IL-1120-ST?A: Small Business Corporations in Illinois need to file Form IL-1120-ST.
Q: What is the purpose of Form IL-1120-ST?A: Form IL-1120-ST is used to report and pay the replacement tax for small business corporations in Illinois.
Q: What information do I need to fill out Form IL-1120-ST?A: You will need your corporation's income and deductions, as well as information about the business activities in Illinois.
Q: When is the deadline to file Form IL-1120-ST?A: Form IL-1120-ST is due on the 15th day of the 3rd month following the close of the tax year.
Q: Are there any penalties for late filing of Form IL-1120-ST?A: Yes, there are penalties for late filing, so it is important to file on time.
Instruction Details:
- This 22-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.
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Download Instructions for Form IL-1120-ST Small Business Corporation Replacement Tax Return - Illinois
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