Instructions for Schedule M-3 (Form 1120), Net Income (Loss) Reconciliation for Corporations With Total Assets of $10 Million or More. 1219. 12/26/2019. Form 1120 (Schedule N) Foreign Operations of U.S. Corporations. 2021. 11/16/2021. Form 1120 (Schedule O) Consent Plan and Apportionment Schedule for a Controlled Group. Forms IL-516-I and IL-516-B, Pass-through Prepayment Vouchers are used to make prepayments of the liability that will be reported on Form IL-1120-ST in 2018. Per Illinois instructions, S Corporations should not use Form IL-1120-ES to make payments. Related topic: 1120 Illinois frequently asked questions The tips below will help you fill in IL DoR IL-1120-ST easily and quickly: Open the document in our full-fledged online editing tool by clicking Get form. Fill in the required boxes that are colored in yellow. Press the arrow with the inscription Next to move from field to field. We last updated Illinois Form IL-1120-ST in January 2022 from the Illinois Department of Revenue. This form is for income earned in tax year 2021, with tax returns due in April 2022. We will update this page with a new version of the form for 2023 as soon as it is made available by the Illinois government. Other Illinois Corporate Income Tax Forms: Specific payments: Form IL-516-I for nonresident individuals and estates / Form IL-516-B for replacement tax and nonresident trusts Use this section to complete Form IL-1120-ST-V for the extension payments and to extend the due date of the return. To print the extension, choose File > Print Extensions. S Corporation and Partnership members must file a copy of the designated agent's Schedule UB with their separate Forms IL-1120-ST and IL-1065 with combined amounts. Enter the combined additions and subtractions for the group on Screen ILUMod in each member client. For Paperwork Reduction Act Notice, see the Instructions for Form 1120. Cat. No. 49737Q. Schedule B (Form 1120) (Rev. 12-2018) Schedule B (Form 1120) (Rev. 12-2018) Page . 2. General Instructions. Section references are to the Internal Revenue Code unless otherwise noted. Future Developments. For the latest information about developments related to for instructions and the latest information. OMB No. 1545-0123. 2018. For calendar year 2018 or tax year beginning, 2018, and ending, 20TYPE OR PRINT. Name. Number, street, and room or suite no. If a P.O. box, see instructions. City or town, state or province, country, and ZIP or foreign postal code 2018 Form 1120-H Author: SE:W:CAR:MP Download or print the 2021 Illinois Form IL-1120-ST-X (Amended Small Business Corporation Replacement Tax Return - Includes Schedule B)) for FREE from the Illinois Department of Revenue. 2020 Form IL-1120-ST-X 2020 IL-1120-ST-X Instructions. 2019 Form IL-1120-ST-X 2019 IL-1120-ST-X Instructions. 2018 Form IL-1120-ST-X 2017 IL-1120-ST-X Form IL-1120 and complete Step 4, Figure your income allocable to Illinois. • Partnerships or S corporations - use Form IL-1065 or Form IL-1120-ST and complete Step 6, Figure your income allocable to Illinois. • Exempt organizations - use Form IL-990-T and complete Step 3, Figure your income allocable to Illinois. Attach to your Form IL-1120, IL-1120-ST, IL-1065, IL-1041, or IL-1040. IL Attachment No. 11 Step 1: Provide the following information Enter your name as shown on your return. Enter your Social Security number (SSN) or federal employer identification number (FEIN). You must