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About Form, 1120 U.S. Corporation Income Tax ReturnInformation about Form, 1120 U.S. Corporation Income Tax Return, including recent updates, related forms and instructions on how to file.
Form 1120
PDF
PDF version of Form 1120.
Instructions for Form 1120
PDF
Instructions explaining how to file Form 1120.
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Instructions for Form 1120-IC-DISC, Interest Charge Domestic International Sales Corporation Return
Form 1120-IC-DISC, Interest Charge Domestic International Sales Corporation Return, is an information return filed by interest charge domestic international sales corporations
(IC-DISCs), former DISCs, and former IC-DISCs.
Forms and Instructions
Schedule H (Form 1120), Section 280H Limitations for a Personal Service Corporation (PSC)
Schedule H (Form 1120) is used by personal service corporations that elected to have a tax year other than a calendar year to report if they met the minimum distribution requirement and, if not, the limits on deductions.
Forms and Instructions
Form 1120-FSC, U.S. Income Tax Return of a Foreign Sales Corporation
Corporations electing to be treated as a Foreign Sales Corporation (FSC) or small FSC file Form 1120-FSC, U.S. Income Tax Return of a Foreign Sales Corporation, to report their income, deductions, gains, losses, credits and income tax liability.
Forms and Instructions
Instructions for Form 1120-F, U.S. Income Tax Return of a Foreign Corporation
Use Form 1120-F, U.S. Income Tax Return of a Foreign Corporation, to report the income, gains, losses, deductions, credits, and to figure the U.S. income tax liability of a foreign corporation.
Forms and Instructions
1120S - Test Scenario 1
Form 1120S - Test Scenario Great Atomic Pyrotechnics & Design, Inc.
Software Development
IRS grants penalty relief for corporations that did not pay estimated tax related to the new corporate alternative minimum tax
IR-2023-110, June 7, 2023 — The Department of Treasury and the Internal Revenue Service today issued Notice 2023-42, which will grant penalty relief for corporations that did not pay estimated tax in connection with the new corporate alternative minimum tax (CAMT).
News
News Media, Corporations, Tax Professionals
Schedule B-1 (Form 1120-S), Information on Certain Shareholders of an S Corporation
Use Form 1120-S (Schedule B-1), Information on Certain Shareholders of an S Corporation, to provide the information applicable to any shareholder in the S corporation that was a disregarded entity, a trust, an estate, or a nominee or similar person at any time during the tax year.
Forms and Instructions
Instructions for Form 1120-FSC, U.S. Income Tax Return of a Foreign Sales Corporation
Corporations electing to be treated as a Foreign Sales Corporation (FSC) or small FSC file Form 1120-FSC, U.S. Income Tax Return of a Foreign Sales Corporation, to report their income, deductions, gains, losses, credits and income tax liability.
Forms and Instructions