Recommended by IRS
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.
Found 111 Matching Items; Displaying 1 - 10.
Form 1120/1120-S/1120-F/1120-H e-file
Electronic filing of Form 1120/1120-S/1120-F/1120-H for corporations.
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Software Developers
Valid XML schemas and business rules for 1120, 1120-F, 1120-H and 1120-S Modernized e-File (MeF)
The following links provide information and technical guidance for software developers and transmitters who are interested in developing software for the Modernized e-File Forms 1120/1120S/1120-F and 7004. You will find the XML Schemas, technical documents, and late breaking news and announcements.
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Software Developers
2024 valid XML schemas and business rules for 1120, 1120-F, 1120-H and 1120-S Modernized e-File (MeF)
2024 valid XML schemas and business rules for 1120, 1120-F and 1120-S Modernized e-File (MeF)
Software Development
Software Developers
2023 valid XML schemas and business rules for 1120, 1120-F and 1120-S Modernized e-File (MeF)
The 1120x TY2023 webpage provides information to software developers and/or transmitters about the release of schemas and business rules for tax year 2023.
Software Development
Software Developers
2022 valid XML schemas and business rules for 1120, 1120-F, and 1120-S Modernized e-File (MeF)
The Modernized eFile XML Schemas and Business rules page provides information to software developers and/or transmitters about the release of release memos and miscellaneous tax year 2022 information.
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Software Developers
1120x MeF providers
The information contained on this page organizes the Approved IRS Corporate Return Modernized e-File (MeF) Providers by Tax Year.
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Software Developers
1120S - Test Scenario 1
Form 1120S - Test Scenario Great Atomic Pyrotechnics & Design, Inc.
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Schedule K-1, Form 1120S (Final)
Review a table on Schedules K-1 Two Dimensional Bar Code Specifications for Form 1120S.
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Software Developers