Tax Year 2018 Form 1120 Modernized e-File (MeF) Assurance Testing System (ATS) Information

The Tax Year 2018 1120 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.

TY 2018 1120 MeF ATS Scenarios

• 1120 MeF ATS Scenario 1 PDF (Form 1120) - 11/01/2018
• 1120 MeF ATS Alt Scenario 1 PDF (Form 1120) - 11/01/2018
• 1120 MeF ATS Scenario 2 PDF (Form 1120) - 12/13/2018
• 1120 MeF ATS Scenario 3 PDF (Form 1120) - 11/01/2018 *
• 1120 MeF ATS Scenario 4 PDF (Form 1120) - 11/01/2018 *
• 1120S MeF ATS Scenario 5 PDF (Form 1120S) - 12/13/2018
• 1120S MeF ATS Scenario 6 PDF (Form 1120S) - 12/13/2018
• 1120S MeF ATS Scenario 7 PDF (Form 1120S) - 12/13/2018
• 1120S MeF ATS Scenario 8 PDF (Form 1120S) - 09/28/2018
• 1120F MeF ATS Scenario 9 PDF (Form 1120F) * - 12/07/2018

TY2018 1120 MeF ATS Scenarios  - ATS Scenarios if supporting Forms 965, Form 965-B and F965 schedules

• 1120 MeF ATS Scenario 10 PDF (Form 1120) - 12/12/2018
• 1120 MeF ATS Scenario 11 PDF (Form 1120) - 12/07/2018 *

For information and questions regarding ATS, please contact the e-Help Desk at 1-866-255-0654.

*Available for ATS testing on 12/9/18

Modernized e-File (MeF) Assurance Testing System (ATS) Updates Page
Tax Year 2018 1120 MeF Schemas and Business Rules Page