The links below provide information and technical guidance for Software Developers and Transmitters who are interested in developing software for the Modernized e-File Form 7004 for Tax Year 2017. Developers and other Authorized IRS e-file Providers can find information on e-filing returns through MeF in Publication 4163 PDF and Publication 4164 PDF. Test Scenarios for the Form 7004 can be found on the MeF Assurance Testing System (ATS) Page. XML Schemas, Business Rules and Release Memos - Throughout the year, multiple versions of these documents may be in use at the same time. Special attention should be paid to the Release Memo issue date and the projected start and end dates for Assurance Testing System and Production. Form 7004 Schemas and Business Rules are now distributed through the Registered User Portal and your e-services mailbox. This mailbox is part of the Secure Object Repository (SOR). Users will access their mailbox in their existing e-services account to pick up the Schema and Business Rules packages. Instructions for accessing the SOR mailbox PDF. Tax Year 2017 Documents Tax Year 2017 Form 7004 MeF Return Due Dates PDF (PDF) Tax Year 2017 Stylesheets: MeF Stylesheets Tax Year 2017 Known Issues and Solutions XLSX (XLSX) – Updated 10/31/2018 Form 7004 links to TY2017 Release Memos Version Available Dates ATS Dates Production Dates Comments 2017v2.0 09/27/2017 Start: 10/30/2017 End: TBD Start: 01/08/2018 End: TBD 11/02/2017 Business rule updates. Current Valid XML Schemas and Business Rules for Form 7004 Modernized e-File (MeF) Schemas and Business Rules
