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Release memo for tax year 2021 Modernized e-File schema and business rules for individual tax returns version 5.4

This page contains a list of the approved IRS e-file Providers who have passed the Assurance Testing System (ATS) requirements for Software Developers of electronic Employment Tax Returns for Tax Year 2021.

Interim electronic filing direction for Schedules K-2 and K-3 in tax year 2021.

Providers listed on this page are approved IRS Modernized e-File (MeF) providers; however, they are not part of, nor do they have any special relationship with the Internal Revenue Service.

Software developers use ATS scenarios to test their new software for Corporate returns for tax year 2021

The links below provide information and technical guidance for software developers and transmitters who are interested in developing software for the Modernized e-File Forms 990, 990-EZ, 990-N, 990-PF, 990-T, 1120-POL, 8868 and 4720 for Tax Year (TY) 2021. Included are the XML Schemas, Business Rules, Release Memorandums and specific instructions.

Affordable Care Act Assurance Testing System (AATS) information returns

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

Learn how to e-file Form 1041, U.S. Income Tax Return for Estates and Trusts.

Information and technical guidance for software developers and transmitters who are interested in developing softrware for the Modernized e-File Forms 990, 990-EZ, 990-PF, 990-N, 1120-POL and 8868.