The Tax Year 2018 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 2018 Form 2290 MeF ATS Scenarios 2290 MeF ATS Scenario 1 PDF - 06/01/2018 2290 MeF ATS Scenario 2 PDF - 06/01/2018 2290 MeF ATS Scenario 3 PDF - 06/01/2018 For information and questions regarding ATS, please contact the e-help Desk at 1-866-255-0654. Modernized e-File (MeF) Assurance Testing System (ATS) Updates