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Tax Year 2018 Schemas and Business Rules for 94x Modernized e-File (MeF) Forms

The tables below provide links to the Tax Year 2018 94x Modernized e-File Forms (MeF) XML Schemas, Business Rules, and Release Memorandum for the 94x MeF Forms.

Throughout the year, multiple versions of Schemas and Business Rules may be in use at the same time. The table reflects the effective dates in the Assurance Testing System (ATS) and Production System, for each version.

Tax Year 2018 Documents

Tax Year 2018 94x MeF Accepted Forms and Schedules
Tax Year 2018 94x MeF ATS Information
Tax Year 2018 94x MeF Forms and Attachment List
Tax Year 2018 94x MeF Return Due Dates
Tax Year 2018 94x MeF Stylesheets
Tax Year 2018 Known Issues and Solutions

Tax Year 2018 Form 94x (Annual Forms)

Version Available Date ATS Dates Production Dates
2018v1.0 05/17/2018 TBD TBD

Tax Year 2018 Form 941x (Quarterly Forms)

Version Available Date ATS Dates Production Dates
2018v2.1 12/27/2017 Start: 01/07/2018
End:
04/01/2018
2018v2.0 09/27/2017 Start: 10/30/2017
End:
04/01/2018
2018v1.1 08/16/2017 Not Valid for ATS Not Valid for Production
2018v1.0 05/19/2017 Not Valid for ATS Not Valid for Production

94x On-Line Signature PIN Registration

Version Available Date ATS Dates Production Dates
CUv3.0 05/17/2018 TBD TBD
CUv2.0 09/23/2016 Start: 10/30/2017
End:
Start: 01/08/2018
End:

Form 9465

Version Available Date ATS Dates Production Dates
CUv19.0 06/13/2018 Not Valid for ATS Not Valid for Production
CUv18.0 05/17/2018 Not Valid for ATS Not Valid for Production
CUv17.0 12/13/2017 Start: 12/29/2017
End:
01/08/2018
CUv16.0 11/02/2017 Start: 12/10/2017
End: 12/28/2017
Not Valid for Production
CUv15.0 09/27/2017 Start: 10/30/2017
End: 12/09/2017
Not Valid for Production

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Schemas and Business Rules for 94x Modernized e-File (MeF) Forms Page
Modernized e-File (MeF) Program Information Page