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 for Modernized e-File (MeF).

Please note: Form 7004 schemas and Business Rules 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 1120/1120-F/1120S/7004 schemas and Business Rules

Forms 1120-POL/990/990-EZ/990-PF/8868 schemas and Business Rules

Forms 1065/1065-B schemas and Business Rules

Forms 2290/720/8849 schemas and Business Rules

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