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*
Assurance Testing System (ATS): Operational*


*Scheduled Maintenance Build: A routine system maintenance build is scheduled every Sunday from 12:01 a.m. to 8:00 a.m. Eastern.

During this maintenance period, MeF will accept submissions but will not generate acknowledgements or process any state services such as Get Submissions, Send Acknowledgements or Send Receipts.


Update:

ATS Cutover October 15, 2024 – October 28, 2024

MeF ATS will be unavailable beginning Tuesday, October 15, 2024, 9:00 a.m. Eastern time until Monday October 28, 2024, 9:00 a.m. Eastern time. The ATS environment will be available for TY 2024 testing starting on Monday, October 28th.


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