Illinois Corporate Forms

Create a new Illinois Corporate Form

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Registration foreign corporation

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Corporate Records Maintenance Package for Existing Corporations - Illinois

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Illinois confidentiality

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Bill of Sale with Warranty for Corporate Seller - Illinois

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Illinois annual file

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Illinois articles incorporation

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Illinois annual corporation

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Annual Minutes for an Illinois Professional Corporation - Illinois

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Commonly Asked Questions about Illinois Corporate Forms

Where can I get Illinois tax forms?

How to get Forms Download Forms. Submit a request to have forms or publications mailed to you. You can also request certain forms and publications by calling our 24-hour forms order hotline at 1 800 356-6302.

What is the difference between form 1120 and 1120S?

Both C and S corporations must file a federal income tax return. C corporations use Form 1120 to calculate their taxes due. S corporations use Form 1120S as an information return. S corporations must also prepare a form 10 K-1 for each shareholder to include with their individual returns.

How do I form a professional corporation in Illinois?

A professional corporation may be incorporated by one or more persons licensed in the respective profession or an Illinois attorney by filing the Articles of Incorporation with the Department of Business Services in person or by mail.

What is the tax return form for an S Corp in Illinois?

Prepare Information Return Form 1120-ST Despite not paying entity-level tax, S corporations must still file a business tax return, called an information return, through Form IL-1120-ST. This form reports the S corporations income, deductions, and credits and calculates the tax liability.

What is the tax form for an S Corp in Illinois?

S corporations must complete Schedule K and Schedule K-1 when filing Form 1120-ST. Although these two forms are distinct, Schedule K is integrated into Form 1120-ST and is used to summarize the S corporations earned income, deductions, and credits to be passed on to its shareholders.

What is the name of the document filed to form a corporation in Illinois?

To organize an Illinois Corporation, complete and submit a BCA 2.10, Articles of Incorporation.

What tax return form does an S Corp file?

Use Form 1120-S to report the income, gains, losses, deductions, credits, etc., of a domestic corporation or other entity for any tax year covered by an election to be an S corporation.