The Tax Year 2020 1041 Modernized e-File (MeF) Assurance Testing System (ATS) information is contained below. Currently, the 1041 Program has six (6) scenarios to be tested. If you support the 1041 Form Family, you will need to contact the e-Help Desk to test the Forms. Please monitor this page for any ATS Scenario updates. TY 2020 1041 MeF Forms ATS Scenarios 1041 MeF ATS Scenario 1PDF 1041 MeF ATS Scenario 2PDF 1041 MeF ATS Scenario 3PDF 1041 MeF ATS Scenario 4PDF 1041 MeF ATS Scenario 5PDF 1041 MeF ATS Scenario 6PDF ATS Known Issues and Solutions Any updates made to the 1041 scenarios can be found in the TY 2020 1041 MeF ATS Known Issues and Solutions document. For information and questions regarding ATS, please contact the e-Help Desk at 866-255-0654. Modernized e-File (MeF) Assurance Testing System (ATS) Updates Page Tax Year 2020 1041 MeF Schemas and Business Rules Page
