The tax year 2023 Form 7004 Modernized e-File (MeF) Assurance Testing System (ATS) information is contained below. If you support these Forms, you will need to contact the e-Help Desk for testing. Please monitor this page for any ATS scenario updates. Tax year 2023 Form 7004 MeF ATS scenarios 7004 MeF ATS scenario 1 PDF – (10/10/2023) 7004 MeF ATS scenario 2 PDF – (10/10/2023) 7004 MeF ATS scenario 3 PDF – (10/10/2023) 7004 MeF ATS scenario 4 PDF – (10/10/2023) 7004 MeF ATS scenario 5 PDF – (10/10/2023) For information and questions regarding ATS, please contact the e-Help Desk at 866-255-0654. Modernized e-File (MeF) Assurance Testing System (ATS)
