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Form IL-1120-ST (R-12/23) is for tax years ending on or after December 31, 2023, and before December 31, 2024. For tax years ending on or after December 31, 2022 and before December 31, 2023, use the 2022 form. Using the wrong form will delay the processing of your return.
IL-1120-ST (R-02/22) Page 1 of 5 Illinois Department of Revenue . 2021 Form IL-1120-ST. Small Business Corporation Replacement Tax Return. Due on or before the 15th day of the 3rd month following the close of the tax year. If this return is not for calendar year 2021, enter your fiscal tax year here. Tax year beginning . 20, ending . 20
Form IL-1120 (R12/22) is for tax years ending on or after December 31, 2022, and before December 31, 2023. For tax years ending before December 31, 2022, use the 2021 form. Using the wrong form will delay the processing of your return.
Download or print the 2023 Illinois Form IL-1120-ST (Small Business Corporation Replacement Tax Return (Includes Schedule B)) for FREE from the Illinois Department of Revenue.
Download or print the 2023 Illinois Form IL-1120 (Corporation Income and Replacement Tax Return) for FREE from the Illinois Department of Revenue.
Form 1120-S. Department of the Treasury Internal Revenue Service. U.S. Income Tax Return for an S Corporation. Do not file this form unless the corporation has filed or is attaching Form 2553 to elect to be an S corporation. Go to www.irs.gov/Form1120S for instructions and the latest information. OMB No. 1545-0123.
You can download Form 1120S directly from the IRS website. Or if you use tax software, you can find it there too. IRS Form 1120S. Information you’ll need to file Form 1120S. Before you jump in to the form, you’ll need to have the following items handy: Your date of incorporation. A list of your products or services. Your business activity code.
