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Form IL-1120-ST-X Amended Small Business Corporation Replacement Tax Return - Illinois
What Is Form IL-1120-ST-X?
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-X?
A: Form IL-1120-ST-X is the Amended Small Business Corporation Replacement Tax Return for the state of Illinois.
Q: Who should file Form IL-1120-ST-X?
A: This form should be filed by small business corporations in Illinois who need to amend their previously filed tax return.
Q: What is the purpose of Form IL-1120-ST-X?
A: The purpose of this form is to report any changes or corrections to the original Small Business Corporation Replacement Tax Return.
Q: What information do I need to complete Form IL-1120-ST-X?
A: You will need your federal Employer Identification Number (EIN), information about your business income and expenses, and any adjustments to previously reported amounts.
Q: When is the deadline to file Form IL-1120-ST-X?
A: The deadline to file Form IL-1120-ST-X is the same as the original due date for the Small Business Corporation Replacement Tax Return, which is the 15th day of the 3rd month following the close of the tax year.
Q: Are there any penalties for filing Form IL-1120-ST-X late?
A: Yes, there may be penalties for filing Form IL-1120-ST-X late. It is important to file the amended return as soon as possible to avoid any potential penalties or interest.
Q: Can I e-file Form IL-1120-ST-X?
A: Yes, you can e-file Form IL-1120-ST-X using approved tax software or through a certified tax preparer.
Q: Do I need to include any supporting documents with Form IL-1120-ST-X?
A: You generally do not need to include supporting documents with Form IL-1120-ST-X. However, it is important to keep all related records and documents for at least three years in case of an audit.
Form Details:
- Released on December 1, 2021;
- 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-ST-X by clicking the link below or browse more documents and templates provided by the Illinois Department of Revenue.
Download Form IL-1120-ST-X Amended Small Business Corporation Replacement Tax Return - Illinois
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