Updates for TY2020: 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 990, 990-EZ, 990-N, 990-PF, 1120-POL, 8868 and 4720 for Tax Year (TY) 2020. 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 PDF and Publication 4164 PDF. Test scenarios for the Form 990 family, 990-N, 990-T, 1120-POL, 8868 and 4720 are listed on the Exempt Organizations MeF Assurance Testing System (ATS) Test Scenarios page. General testing information can be found in Publication 5078 PDF. Tax year 2020 documents Tax Year 2020 Forms 990/990-EZ/990-PF and 1120-POL MeF Accepted Forms and Schedules Tax Year 2020 Forms 990/990-EZ/990-PF XLSX, 1120-POL XLSX and 990-T XLSX MeF Forms Attachment Listing Tax Year 2020 Forms 990/990-EZ/990-PF and 1120-POL MeF Return Due Dates PDF Tax Year 2020 Stylesheets: MeF Stylesheets Known e-file issues and solutions XLSX Production and Acceptance Testing System (ATS) - Current valid schemas Form 990/990-EZ/990-PF Links to Form 990 TY2020 Schemas, Business Rules, Release Memos Version Available Date ATS Dates Production Dates 2020v4.2 10-12-2021 Start Date: 10-12-2021 End Date: Start Date: 01-07-2022 End Date: 2020v4.1 (change page only) 09-02-2021 Start Date: 10-12-2021 End Date: Start Date: 01-07-2022 End Date: 2020v4.1 02-11-2021 Start Date: 03-07-2021 End Date: Start Date: 03-21-2021 End Date: 2020v4.0 11-23-2020 Start Date: 12-13-2020 End Date: Start Date: 01-08-2021 End Date: 2020v3.0 10-17-2020 Start Date: 11-22-2020 End Date: 12-12-2020 Not operational in production 2020v2.1 09-02-2020 Start Date: 11-02-2020 End Date: 11-21-2020 Not operational in production 2020v2.0 07-23-2020 Start Date: 11-02-2020 End Date: 11-21-2020 Not operational in production 2020v1.0 06-15-2020 Not operational in ATS Not operational in production Form 990N Links to Form 990N TY2020 Schemas, Business Rules, Release Memos Version Available Date ATS Dates Production Dates 2020v3.0 (change page only) 09-02-2021 Start Date: 10-12-2021 End Date: Start Date: 01-07-2022 End Date: 2020v3.0 10-17-2020 Start Date: 11-22-2020 End Date: Start Date: 01-08-2021 End Date: 2020v2.0 07-23-2020 Start Date: 11-02-2020 End Date: 11-21-2020 Not operational in production 2020v1.0 06-15-2020 Not operational in ATS Not operational in production Form 990T Links to Form 990T TY2020 Schemas, Business Rules, Release Memos Version Available Date ATS Dates Production Dates 2020v1.3 10-12-2021 Start Date: 11-21-2021 End Date: Start Date: 01-07-2022 End Date: 2020v1.2 (business rules only) 10-12-2021 Start Date: 10-12-2021 End Date: Start Date: 01-07-2022 End Date: 2020v1.2 09-02-2021 Start Date: 10-12-2021 End Date: Start Date: 01-07-2022 End Date: 2020v1.1 02-11-2021 Start Date: 03-07-2021 End Date: Start Date: 03-21-2021 End Date: 2020v1.0 11-23-2020 Start Date: 12-13-2020 End Date: Start Date: 02-07-2021 End Date: Form 1120-POL Links to Form 1120-POL TY2020 Schemas, Business Rules, Release Memos Version Available Date ATS Dates Production Dates 2020v4.1 (change page only) 09-02-2021 Start Date: 10-12-2021 End Date: Start Date: 01-07-2022 End Date: 2020v4.1 02-11-2021 Start Date: 03-07-2021 End Date: Start Date: 03-21-2021 End Date: 2020v4.0 11-23-2020 Start Date: 12-13-2020 End Date: Start Date: 01-08-2021 End Date: 2020v3.0 10-17-2020 Start Date: 11-22-2020 End Date: 12-12-2020 Not operational in production 2020v2.1 09-02-2020 Start Date: 11-02-2020 End Date: 11-21-2020 Not operational in production 2020v2.0 07-23-2020 Start Date: 11-02-2020 End Date: 11-21-2020 Not operational in production 2020v1.0 06-15-2020 Not operational in ATS Not operational in production Form 8868 Links to Form 8868 TY2020 Schemas, Business Rules, Release Memos Version Available Date ATS Dates Production Dates 2020v2.0 (change page only) 09-02-2021 Start Date: 10-12-2021 End Date: Start Date: 01-07-2022 End Date: 2020v2.0 10-17-2020 Start Date: 11-22-2020 End Date: Start Date: 01-08-2021 End Date: 2020v1.0 (change page only) 07-23-2020 Start Date: 11-02-2020 End Date: 11-21-2020 Not operational in production 2020v1.0 06-15-2020 Start Date: 11-02-2020 End Date: 11-21-2020 Not operational in production Form 4720 Links to Form 4720 TY2020 Schemas, Business Rules, Release Memos Version Available Date ATS Dates Production Dates 2020v1.0 02-11-2021 Start Date: 03-07-2021 End Date: Start Date: 03-21-2021 End Date: Back to: Current Valid XML Schemas and Business Rules for Exempt Organizations Modernized e-File