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/1120F and 7004. You will find, by Tax Year, the XML Schemas, Business Rules and other useful information and documents. Test scenarios are provided in Publication 4162.
Forms 1120/1120S/1120-F and 7004 stylesheets can be downloaded for use in displaying XML tax return data.
Production & Acceptance Testing System (ATS) - Current Valid Schemas
Tax Year
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Form Type
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2008
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Form 1120/1120S/1120F and 7004
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2007
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Form 1120/1120S/1120F and 7004
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2006
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Form 1120/1120S/1120F and 7004
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2005
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Form 1120/1120S/1120F and 7004
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Last Updated: September 25, 2008
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