Tax Year 2019 Form 1040 Modernized e-File (MeF) Assurance Testing System (ATS) information is outlined below. If you support these forms, you will need to contact the e-Help Desk for testing. Please monitor this page for any Tax Year 2019 Form 1040 Series and Extensions ATS scenario updates. Tax Year 2019 Form 1040 Series and Extensions MeF ATS Scenarios 1040 MeF ATS Scenario 1PDF (Form 1040) – 12/09/2019 1040-NR MeF ATS Scenario 1PDF (Form 1040-NR) – 10/21/2019 1040-SR MeF ATS Scenario 1 (Form 1040-SR)PDF – 10/23/2019 1040 MeF ATS Scenario 2 (Form 1040)PDF – 10/31/2019 1040-NR MeF ATS Scenario 2PDF (Form 1040-NR) –11/13/2019 1040-X MeF ATS Scenario 2 (Form 1040-X)PDF – 06/16/2020 1040 MeF ATS Scenario 3 (Form 1040) PDF – 11/04/2019 1040-NR MeF ATS Scenario 3PDF (1040-NR) – 11/13/2019 1040-X MeF ATS Scenario 3 (Form 1040-X)PDF – 06/16/2020 1040 MeF ATS Scenario 4 (Form 1040)PDF – 12/30/2019 1040-NR MeF ATS Scenario 4PDF (1040-NR) – 11/06/2019 1040 MeF ATS Scenario 5PDF (Form 1040) – 12/09/2019 1040-NR MeF ATS Scenario 5PDF (1040-NR) – 10/21/2019 1040-SS(PR) MeF ATS Scenario 6 (Form 1040-SS(PR))PDF – 12/30/2019 1040 MeF ATS Scenario 7 (Form 1040)PDF – 10/21/2019 1040 MeF ATS Scenario 8 (Form 1040)PDF – 10/21/2019 1040 MeF ATS Scenario 9 (Form 1040)PDF – 10/21/2019 1040 MeF ATS Scenario 10 (Form 1040)PDF – 10/21/2019 1040 MeF ATS Scenario 11 (Form 2350)PDF – 10/21/2019 1040 MeF ATS Scenario 12 (Form 4868)PDF – 10/21/2019 1040 MeF ATS Scenario 13 (Form 9465)PDF – 10/21/2019 1040 MeF ATS Scenario 14 (Form 56)PDF – 10/21/2019 1040 MeF ATS Scenario 15 (Form 1040)PDF – 10/29/2019 1040 MeF ATS Scenario 16 (Form 1040)PDF – 12/18/2019 1040 MeF ATS Scenario 17 (Form 1040)PDF – 12/18/2019 1040 MeF ATS Scenario 18 (Form 1040)PDF – 12/09/2019 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 2019 Modernized e-File Schemas and Business Rules for Individual Tax Returns and Extensions
