Form IL-1120-ST Small Business Corporation Replacement Tax Return - Illinois

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Instructions for Form IL-1120-ST Small Business Corporation Replacement Tax Return - Illinois

What Is Form IL-1120-ST?

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.

FAQ

Q: What is Form IL-1120-ST?
A: Form IL-1120-ST is the Small Business Corporation Replacement Tax Return for the state of 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: The purpose of Form IL-1120-ST is to calculate and report the replacement tax owed by small business corporations in Illinois.

Q: Is Form IL-1120-ST for individuals or businesses?
A: Form IL-1120-ST is for businesses, specifically small business corporations.

Q: Is there a deadline for filing Form IL-1120-ST?
A: Yes, the deadline for filing Form IL-1120-ST is generally the same as the federal income tax deadline, which is April 15th.

Q: Are there any penalties for late filing of Form IL-1120-ST?
A: Yes, there may be penalties for late filing of Form IL-1120-ST, so it's important to submit it on time.

Q: Do I need to include any supporting documents with Form IL-1120-ST?
A: Yes, you may need to include supporting documents such as schedules and attachments, depending on your business's circumstances.

Q: Can I file Form IL-1120-ST electronically?
A: Yes, you can file Form IL-1120-ST electronically using the Illinois Department of Revenue's e-filing system.

Q: What should I do if I have questions or need assistance with Form IL-1120-ST?
A: If you have questions or need assistance with Form IL-1120-ST, you can contact the Illinois Department of Revenue for help.