IRS Logo
Print - Click this link to Print this page

Modernized e-File (MeF) Status Page

Current System Status: 
Production System:  Operational
Assurance Testing System (ATS):

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

Alert: The Modernized e-File Production and Assurance Testing Systems (ATS) will be unavailable on Saturday, July 22, 2017 and again on Saturday, August 5, 2017. The IRS will be conducting system maintenance on these two Saturdays from 7:00 a.m. until 7:00 p.m. Eastern. Please refrain from accessing the MeF Production and ATS Systems to transmit submissions, get acknowledgements, retrieve state submissions, send state acknowledgements or submit any other service requests until further notice. (Updated 1:00 p.m., Eastern, 7/12/ 2017)

Update: New Schemas and Business Rules are available for download from your e-Services mailbox.(Updated 9:00 p.m., Eastern, 6/28/2017)

Update Schemas and Business Rules: Software Developers and State organizations can now access and download TY2015/2016/2017 Schemas and Business Rules from their e-Services mailbox. In order to access these files you must have an active e-Services account and be listed on an e-File application with the provider option of Software Developer or State. Your role must be Principal, Responsible Official, or Delegated User with MeF authorities.(Updated 11:00 a.m., Eastern, 5/19/2017)

Schemas and Business Rules: Beginning September 2016 Software Developers and State organizations started receiving the schemas and business rules through their e-Services mailbox rather than downloading them from the IRS website. These mailbox messages are purged after 30 days so please make sure to download them as soon as possible. Instructions for accessing the SOR Mailbox  were created for your use. You may access the login page, register for e‐services, reset your password, and make changes to your existing account on e-Services Online Tools for Tax Professionals

Refer to Modernized e File MeF Schemas and Business Rules for additional details on versions and dates for each form family. (Updated 1:00 p.m., Eastern, 3/15/2017)

Modernized e-File (MeF) ATS/Production Calls (Updated 9:00 a.m., Eastern, 02/01/2017)

ATS and Production calls ended for TY 2016/PY 2017

ATS and Production Call Log

Distribution of Modernized e-File (MeF) New Web Service Definition Language (WSDLs): (Updated 4:00 p.m., Eastern, 07/21/2016)

WSDLs for Tax Year 2016/Processing Year 2017 are now available.

The new WSDLs are scheduled to be installed in the MeF Test environment (ATS) in November, 2016. They will also be required for MeF Production for Processing Year 2017.

As a reminder you should be using the "la.alt" (la.alt.www4) for ATS and "la" main" URL (la.www4) for Production environments.

Page Last Reviewed or Updated: 12-Jul-2017