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Use your mouse or Tab key to move through the fields. Use your mouse or space bar to enable check boxes. Illinois Department of Revenue Amended Small Business Corporation Replacement Tax Return 2011
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How to fill out il-1120-x

01
Step 1: Gather all the necessary information and documents required to fill out IL-1120-X form.
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Step 2: Download the IL-1120-X form from the official website of the Illinois Department of Revenue.
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Step 3: Fill out the General Information section of IL-1120-X, including the company name, address, and federal employer identification number (FEIN).
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Step 4: Provide an explanation for why you are filing an amended return on the IL-1120-X form.
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Step 5: Complete the Schedule B of IL-1120-X to report the changes in apportionment factors, if applicable.
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Step 6: Fill out the Schedule C of IL-1120-X to report the changes in net income, if applicable.
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Step 7: Attach any supporting schedules or documentation required to support the changes made on the IL-1120-X form.
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Step 8: Review the filled out IL-1120-X form for any errors or omissions.
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Step 9: Sign and date the IL-1120-X form.
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Step 10: Mail the completed IL-1120-X form to the designated address provided on the form or submit it electronically if available.

Who needs il-1120-x?

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The IL-1120-X form is needed by corporations or partnerships that need to file an amended state income tax return in the state of Illinois.
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It is required for those who need to correct errors, make changes, or report additional information on their original IL-1120 tax return.
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Individuals, sole proprietors, and LLCs do not need to use IL-1120-X as it is specifically for corporations and partnerships.
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il-1120-x is the Amended Corporation Income and Replacement Tax Return for the State of Illinois.
Corporations in Illinois who need to amend their original Corporation Income and Replacement Tax Return.
il-1120-x can be filled out by providing the necessary information such as updated income, deductions, and any other relevant details for the amendment.
The purpose of il-1120-x is to allow corporations in Illinois to correct any errors or omissions on their original tax return.
The information reported on il-1120-x includes updated income, deductions, credits, and any other changes to the original tax return.
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