The following links provide information and technical guidance for who are interested in developing software for the Modernized e-File Form 7004. You will find the XML Schemas, Business Rules and other useful information separated by tax year. Form 7004 Stylesheets can be downloaded for use in displaying XML tax return data. Form 7004 Tax Year Form Type 2021 Form 7004 2020 Form 7004 2019 Form 7004 Modernized e-File (MeF) Schemas and Business Rules
