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Tax year 2025 Form 2290 Modernized e-File (MeF) Assurance Testing System (ATS) information for software developers.

Test Scenarios for Software Developers to use to test the electronic Form 2290 Excise Tax Returns for Tax Year 2023.

Tax year 2024 Form 2290 MeF ATS information

This service allows you to identify and locate Electronic Return Originators (EROs), Transmitters, Software Developers, and Intermediate Service Providers through interactive database searches.

The 94x annual forms schemas and business rules for tax year 2022, which included updates to the e-file attachments, e-file types and return header, were made available on Sept. 1, 2022. This schema and business rules version is available for use in the Assurance Testing System (ATS) as of Oct. 24, 2022 to submit test submissions and is not valid for production. 

We are providing new versions of Tax Year 2021, Tax Year 2022 and Tax Year 2023 eXtensible Mark-up Language (XML) Schemas and Business Rules for the following forms in Processing Year 2023.

We are providing new versions of Tax Year 2022 and Tax Year 2023 eXtensible Mark-up Language (XML) Schemas and Business Rules for the following forms in Processing Year 2024.

Tax year 2015 schemas and business rules for Affordable Care Act Information Returns (AIR)

Posting TY2016 Schemas and Business Rules and Crosswalks.

Tax year 2025 Form 720 Modernized e-File (MeF) Assurance Testing System (ATS) information