The Tax Year 2021 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 2021 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) Updates
