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

 

ATS opens on Oct. 28, 2024, for filing season 2025.

Modernized e-File (MeF) ATS calls

When: 10/29/2024, 10/30/2024 and 10/31/2024

Time: 2 p.m. Eastern time

Join a meeting

Register now for 10/31/2024

Call Logs:

MeF ATS Call Log 10-29-2024 PDF

MeF ATS Call Log 10-30-2024 PDF

 

Modernized e-File (MeF) Assurance Testing System (ATS) updates: The Modernized e-File (MeF) Assurance Testing System (ATS) scenarios and known issues are listed in the table below.

ATS scenario form Tax period ATS scenario known issues and solutions Comments
720 2025 720 ATS known issues  
94x form family (Annual) 2024 94x ATS known issues  
94x form family (Quarterly) 2025 94x ATS known issues XLS  
990 form family/1120 POL 2024 990 ATS known issues  
1040 series and extensions 2024 1040 series and extensions ATS known issues XLSX

10/29/2024 – The 1040 series and extensions ATS known issues and solutions file has been updated.

10/22/2024 – The 1040 series and extensions ATS known issues and solutions file has been updated.

10/10/2024 – The 1040 series and extensions ATS known issues and solutions file has been updated.

10/9/2024 – ATS opens on Oct. 28, 2024.

08/15/2024 – The ATS opening date is currently unavailable. We realize the importance of sharing this date with our MeF stakeholders. We will provide the date as soon as it is available.

1041 2024 1041 ATS known issues PDF  
1042 2024 1042 ATS known issues  
1065 form family 2024 1065 ATS known issues XLS  
1120 form family 2024 1120 ATS known issues  
2290 2024 2290 ATS known issues  
2290 2025 2290 ATS known issues  
7004 2024 7004 ATS known issues  
8849 2025 8849 ATS known issues  
8868 2024 8868 ATS known issues  
ATS scenario form Tax period ATS scenario known issues and solutions Comments
720 2024 720 ATS known issues  
94x form family (2023) 2023 94x ATS known issues XLS 05/29/2024 – Form 943-X scenario posted to the TY2023 ATS page.
94x form family (2024) 2024 94x ATS known issues XLS 05/29/2024 – Form 941-X scenario posted to the TY2024 ATS page.
990 form family/1120 POL 2023 990 ATS known issues  
1040 series and extensions 2023 1040 series and extensions ATS known issues XLSX

12/19/2023 – 1040 series and extensions ATS known issues and solutions file updated.

12/6/2023 – 1040 series and extensions ATS known issues and solutions file updated.

11/29/2023 – 1040 series and extensions ATS known issues and solutions file updated.

11/16/2023 – 1040 series and extensions ATS known issues and solutions file updated.

11/7/2023 – 1040 series and extensions ATS known issues and solutions file updated.

11/1/2023 – 1040 series and extensions ATS known issues and solutions file updated.

1041 2023 1041 ATS known issues  
1042 2023 1042 ATS known issues  
1065 form family 2023 1065 ATS known issues PDF  
1120 form family 2023 1120 ATS known issues XLS  
2290 2023 2290 ATS known issues  
2290 2024 2290 ATS known issues  
7004 2023 7004 ATS known issues  
8849 2024 8849 ATS known issues  
8868 2023 8868 ATS known issues  
ATS scenario form Tax period ATS scenario known issues and solutions Comments
720 2023 720 ATS known issues  
94x form family (2022) 2022 94x ATS known issues  
94x form family (2023) 2023 94x ATS known issues  
990 form family/1120 POL 2022 990 ATS known issues  
1040 series and extensions 2022 1040 series and extensions ATS known issues XLSX

11/22/2022 – 1040 ATS known issues and solutions has been updated.

11/22/2022 – All 1040 series and extensions ATS scenarios for processing year 2023 are available.

11/8/2022 – 1040 ATS scenario known issues and solutions has been updated.

1041 2022 1041 ATS known issues XLS  
1042 2022 1042 ATS known issues XLSX  
1065 form family 2022 1065 ATS known issues XLS  
1120 form family 2022 1120 ATS known issues XLS  
2290 (2023)

2290 (2022)

2023

2022

2290 ATS known issues  
7004 2022 7004 ATS known issues  
8849 2023 8849 ATS known issues  
8868 2022 8868 ATS known issues  
ATS scenario form Tax period ATS scenario known issues and solutions Comments
720 2022 720 ATS known issues  
94x form family (2021) 2021 94x ATS known issues  
94x form family (2022) 2022 94x ATS known issues XLS  
990 form family/1120 POL 2021 990 ATS known issues  
1040 series and extensions 2021 1040 series and extensions ATS known issues XLSX