The tax year 2024 Form 2290 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 2024 Form 2290 MeF ATS scenarios 2290 MeF ATS scenario 1 PDF 2290 MeF ATS scenario 2 PDF 2290 MeF ATS scenario 3 PDF For information and questions regarding ATS, please contact the e-help desk at 866-255-0654. Modernized e-File (MeF) Assurance Testing System (ATS)