The Tax Year 2019 Modernized e-File (MeF) Assurance Testing System (ATS) test scenarios for Exempt Organizations returns are listed in the table below. Please see the MeF ATS page for the complete list of test scenarios for all forms supported by MeF.
If you will support these Forms, you will need to contact the e-Help Desk for testing. Please monitor this page for any ATS Scenario updates.
ATS Known Issues and Solutions: Issues identified with the test scenarios are listed on the TY2019 ATS Known Issues and Solutions document for the Form 990 family.
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