The links below provide information and technical guidance for Software Developers and Transmitters who are interested in developing software for the Modernized e-File (MeF) Form 1065/1065-B for Tax Year (TY) 2017.
Developers and other Authorized IRS e-file Providers can find information on e-filing returns through MeF in the Publication 4163 and Publication 4164. Test Scenarios for 1065 and 1065B can be found on the ATS Updates Page.
XML Schemas, Business Rules and Release Memo - 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 (ATS) and Production.
Form 1065 Schemas and Business Rules Distribution is now 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.
Tax Year 2017 Documents
- Tax Year 2017 1065 MeF Accepted Forms and Schedules
- Tax Year 2017 1065 MeF Forms Attachment Listing (02-14-2018)
- Tax Year 2017 1065 MeF Return Due Dates
- Tax Year 2017 Stylesheets: MeF Stylesheets
- Known e-file Issues and Solutions
|Version||Available Date||ATS Date||Production Date||Comments|
Business rule updates have been provided 02-21-2018 and 03-13-2018
|2017v5.0||12-13-2017||12-29-2017||01-08-2018||02-21-2018 Business rule updates have been provided|