We moved Modernized e-File System Operational Status information to a new section of our website so we can serve you better. We invite you to bookmark the new page for faster access. (Updated 10/2017)
ATS for IFA Users
ATS for IFA users is available and functional now. Thank you for your patience.
1040 MeF Production Shutdown/Cutover Schedule
Shutdown begins on Saturday, November 18, 2017, at 11:59 p.m. in order to prepare the system for the upcoming Tax Year 2017 Filing Season.
Shutdown Deadlines on Saturday, November 18, 2017 Transmitters:
Transmitting Submissions (State & Federal) 10:00 p.m. Retrieving Acknowledgements 11:59 p.m.
Transmitting Acknowledgements 11:30 p.m.
MeF Assurance Testing System (ATS) Schedule ATS will remain open throughout this production shutdown/cutover period.
BMF returns are not impacted by this IMF Production Shutdown/Cutover schedule.
New Schemas and Business Rules now available! Software Developers and State organizations may access and download 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 10/2017)
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 3/15/2017)
Modernized e-File (MeF) ATS/Production Calls
ATS/Production calls begin Tuesday, October 31, 2017.
When: October 31, 2017 through November 2, 2017 from 4 to 5 p.m. Eastern Standard Time
Where: 1-888-331-8226 Access Code 3600320
Please refer to the ATS page for current call log.
Distribution of Modernized e-File (MeF) New Web Service Definition Language (WSDLs):
WSDLs for Tax Year 2017/Processing Year 2018 are available.
The new WSDLs are scheduled to be installed in the MeF Test environment (ATS) October, 2017. They will also be required for MeF Production for Processing Year 2018.
As a reminder you should be using the "la.alt" (la.alt.www4) for ATS and "la" main" URL (la.www4) for Production environments.