Modernized e-File (MeF) is Unavailable Due to an Extended Maintenance Window

 MeF Production and Assurance Testing System (ATS) are currently unavailable due to an extended maintenance window.  The MeF systems will be available at 1:00 p.m. Eastern.

Please monitor the MeF Operational Status page for any future updates.

We apologize for any inconvenience this may cause.