The links below provide information and technical guidance for Software Developers and Transmitters who are interested in developing software for the Modernized e-File Forms 1120, 1120S, 1120-F and 7004 for Tax Year 2017. Included are the XML Schemas, Business Rules, Release Memorandums and specific instructions.
Developers and other Authorized IRS e-file Providers can find information on e-filing returns through MeF in Publication 4163 and Publication 4164. Directions for Corporations required to e-file can be found through the e-file for Large and Mid-Size Corporations website. Test Scenarios for the 1120 family and the 7004 can be found on the ATS Updates Page.
XML Schemas, Business Rules and 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 and Production.
Tax Year 2017 Documents
- Tax Year 2017 1120 MeF Accepted Forms and Schedules
- Tax Year 2017 1120 MeF Forms Attachment Listing
- Tax Year 2017 1120 MeF Return Due Dates
- Tax Year 2017 Stylesheets: MeF Stylesheets
- Known e-file Issues and Solutions
Form 1120, 1120S, 1120-F links to TY2017 Schemas, Business Rules, and Release Memos
|Version||Available Dates||ATS Dates||Production Dates||Comments|
Business rule updates have been provided 02-21-2018, 03-13-2018, 03-28-2018 and 10-17-2018.
Business rule updates have been provided 12-27-2017and 02-21-2018.
Form 7004 links to TY2017 Schemas, Business Rules, and Release Memos
|Version||Available Dates||ATS Date||Production Dates||Comments|
Business rule updates.