Tax year 2023 Form 1120 Modernized e-File (MeF) Assurance Testing System (ATS) information

 

The Tax Year 2023 Form 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 2023 1120 MeF ATS scenarios

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


Modernized e-File (MeF) Assurance Testing System (ATS)

Tax year 2023 1120 MeF schemas and business rules