The following links provide Extensible Markup Language (XML) schema information Business Rules (reject criteria) and related announcements for software developers and transmitters who are interested in developing software. Please note: Form 7004 schemas are posted to irs.gov with the Corporation schemas, however the 7004 schemas can be used when filing extensions for Partnership and certain Exempt Organization returns.

Forms 1120/1120F/1120S/7004 schemas

Forms 1120-POL/990/990-EZ/990-PF/8868 schemas

Forms 1065/1065-B schemas

Forms 2290/720/8849 schemas

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