The following links provide information and technical guidance for Software Developers and Transmitters who are interested in developing software for the Modernized e-File (MeF) Form 720 for Tax Year (TY) 2023. Included are the Extensible Markup Language (XML) Schemas, Business Rules, Release Memorandum, and specific instructions. Developers and other Authorized IRS e-file Providers can find information on e-filing returns through MeF in the Publication 4163 PDF and Publication 4164PDF. Test Scenarios for Form 720 can be found on the Modernized e-File (MeF) Assurance Testing System (ATS) Updates page located on IRS.gov. 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 (ATS) and Production. Tax Year 2023 Documents Tax Year 2023 720 MeF Accepted Forms and SchedulesPDF Tax Year 2023 720 MeF Return Due DatesPDF Tax Year 2023 Stylesheets: MeF Stylesheet Tax Year 2023 Known Issues and Solutions - Currently Unavailable Release Memo Schema Version ATS Date Production Date Business Rules Comments 02/09/2023 Q4v2.2 Q3v2.2 Q2v2.2 Q1v2.2 Start: 3/5/2023 End: TBD Start: 03/19/2023 End: TBD Q4v2.2 Q3v2.2 Q2v2.2 Q1v2.2 01/06/2023 Q4v2.1 Q3v2.1 Q2v2.1 Q1v2.1 Start: 12/18/2022 End: TBD Start: 01/12/2023 End: TBD Q4v2.1 Q3v2.1 Q2v2.1 Q1v2.1 Schema Updates dated 12/23/2022 01/09/2023 Q4v2.0 Q3v2.0 Q2v2.0 Q1v2.0 Start: 12/11/2022 End: TBD Start: 01/12/2023 End: TBD Q4v2.0 Q3v2.0 Q2v2.0 Q1v2.0 10/24/2022 Q4v1.0 Q3v1.0 Q2v1.0 Q1v1.0 Start: 10/24/2022 End: 12/10/2022 Not Valid for Production Q4v1.0 Q3v1.0 Q2v1.0 Q1v1.0 Business Rule Updates dated 9/1/2022 Form 9465 Version Date Available ATS Date Production Date CUv25.0 07/21/2022 Start: 10/24/2022 End: TBD Start: 01/23/2023 End: TBD MeF XML Schema and Business Rules for Excise Tax Form 720
