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The tax year 2023 Modernized e-File (MeF) Assurance Testing System (ATS) test scenarios for exempt organizations and other tax-exempt entities returns are listed in the table below. Also included are the Form 8038-CP test scenarios for tax year 2024, filed in processing year 2024.

New versions of tax year 2024 and tax year 2025 eXtensible Mark-up Language (XML) schemas and business rules for forms 8038-CP, 990x, 990-T and 1120-POL in processing year 2025.

The tax year 2024 Modernized e-File (MeF) Assurance Testing System (ATS) test scenarios for exempt organizations and other tax-exempt entities returns are listed in the table. Also included are the Form 8038-CP test scenarios for tax year 2025, filed in processing year 2025.

We are providing additional eXtensible Mark-up Language (XML) Schemas and Business Rules for the following forms for Tax Year 2021 (Processing Year 2022).

Software Developer Fact Sheet for the employment tax e-file program.

The Modernized eFile XML Schemas and Business rules page provides information to software developers and/or transmitters about the release of release memos and miscellaneous tax year 2022 information.

We are providing eXtensible Mark-up Language (XML) Schemas and Business Rules for the following forms for Tax Year 2021 (Processing Year 2022).

We are providing business rule change pages for tax year 2024 eXtensible Mark-up Language (XML) for the following forms in processing year 2025.

We are providing new versions of tax year 2024 eXtensible Mark-up Language (XML) schemas and business rules for the following forms in processing year 2025.

New versions of tax Year 2024 eXtensible Mark-up Language (XML) schemas and business rules for forms 990x, 990-N, 990-T, 1120-POL, 4720, 5227, 5330 and 8868.