Modernized eFile (MeF) Operational Status

More In Systems Status

Modernized e-File (MeF) provides electronic filing and payment options for filers of Corporation, Employment Tax, Estates and Trusts, Excise Tax, Exempt Organization, Individual, and Partnership Tax Returns. 

Current System Status: 
Production System: Operational (Accepting Business Returns only)*
Assurance Testing System (ATS): Operational*

*Scheduled Maintenance Build: A routine system maintenance build is scheduled every Sunday from 1:00 a.m. to 7:00 a.m. Eastern.

Update :

1040 MeF Production Shutdown

Shutdown begins on Saturday, November 20, 2021, at 11:59 p.m. Eastern time, in order to prepare the system for the upcoming Tax Year 2021 Filing Season.

Only "Send Submissions" for 1040 (both State and Federal) will be affected by this shutdown, all other services such as "Get Acks" and all state services will be available after the shutdown.

Business MeF Production Shutdown Schedule

Shutdown for "Send Submissions" only is scheduled to begin at 11:59 a.m. (noon) Eastern time, Sunday, December 26, 2021.

Transmitters can continue to use the other service requests except "Send Submissions" until 11:59 p.m. (midnight) Eastern time, Sunday, December 26, 2021.

For more information regarding MeF, please see the Modernized e-File (MeF) Program Information on