Tax Year 2018 Form 1065 Modernized e-File (MeF) Assurance Testing System (ATS) Information

The Tax Year 2018 1065 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 1065 MeF ATS Scenarios

1065 MeF ATS Scenario 1 PDF (Form 1065) – 12/07/2018
1065 MeF ATS Scenario 2 PDF (Form 1065) – 12/07/2018
1065 MeF ATS Scenario 3 PDF (Form 1065) – 12/07/2018
1065 MeF ATS Scenario 4 PDF (Form 1065) – 12/07/2018
1065 MeF ATS Scenario 5 PDF (Form 1065 K-1 Aggregator) – 12/07/2018
1065 MeF ATS Scenario 6 PDF (Form 1065 K-1 Aggregator) – 12/07/2018

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 Page