For Tax Year 2011 / Processing Year 2012, the Assurance Testing System (ATS) opened on October 31, 2011.

For Tax Year 2011 / Processing Year 2012, 1040 MeF Production opened on January 17, 2012.

1040 MeF Program Known Issues and Solutions

Benefits of Modernized e-File

Calendar of Events: 1040 Modernized e-File (MeF)

Frequently Asked Questions for 1040 Modernized e-File (MeF)

Forms for 1040 Modernized e-File (MeF) Program

1040 Modernized e-File (MeF) Information for Practitioners

1040 Modernized e-File (MeF) Information for Software Developers

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

1040 Modernized e-File (MeF) Information for Transmitters and States        

Contact the MeF Mailbox  for questions or comments about the 1040 MeF Program.

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Modernized e-File (MeF) Program Information