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We are providing tax year 2022 Extensible Markup Language (XML) schemas and business rules for the following forms that include new tax year form(s) and tax law changes.

We are providing tax year 2022 Extensible Markup Language (XML) schemas and business rules for the following forms that include new tax year form(s) and tax law changes.

We are providing tax year 2022 Extensible Markup Language (XML) schemas and business rules for the following forms that include new tax year form(s) and tax law changes.

Information and technical guidance for software developers and transmitters who are interested in developing software for the Modernized e-File (MeF) Form 1041 for tax year (TY) 2024. Included are the Extensible Markup Language (XML) schemas, business rules, release memorandum, and specific instructions.

Information and technical guidance for Software Developers and transmitters who are interested in developing software for the Modernized e-File (MeF) Form 1041 for Tax Year (TY) 2022.

2023 XML Schemas and Business Rules for Form 1041 Modernized e-File (MeF)

Main page for schema and business rule links for 1041 MeF program.

Tax year 2024 Form 1041 Modernized e-File (MeF) Assurance Testing System (ATS) information

Tax year 2023 Form 1041 Modernized e-File (MeF) Assurance Testing System (ATS) information

MeF internet filing is available for Corporate, Employment, Estates & Trusts, Exempt Organization, Excise, Individual, and Partnerships Tax Returns.