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Valid XML Schemas and Business Rules for 1065-1065B 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 1065/1065-B. You will find by Tax Year, the XML Schemas, Business Rules and other useful information and documents. 

Test scenarios for Tax Years 2014, 2015 and 2016 are posted to the Modernized e-File (MeF) Assurance Testing System (ATS) Updates page on   

Form 1065/1065-B Stylesheets can be downloaded for use in displaying XML tax return data.


Production & Acceptance Testing System (ATS) - Current Valid Schemas
Tax Year Form Type
2017 Form 1065/1065-B
2016 Form 1065/1065-B
2015 Form 1065/1065-B
2014 Form 1065/1065-B


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Page Last Reviewed or Updated: 03-Jul-2017