Tax year 2025 documents Tax Year 2025 94x MeF Accepted Forms and Schedules Tax Year 2025 94x MeF ATS Information Tax Year 2025 94x MeF Forms and Attachment List Tax Year 2025 94x MeF Return Due Dates Tax Year 2025 94x MeF Stylesheets Tax Year 2025 Known Issues and Solutions Tax year 2025 Form 941x (Quarterly Forms) Version Available date ATS dates Production dates Comments 2025Q1v1.0 2025Q2v1.0 2025Q3v1.0 2025Q4v1.0 06/06/2024 Not Valid in ATS Not Valid in Production TBD 07/18/2024 TBD TBD TBD 08/29/2024 TBD TBD TBD 10/10/2024 TBD TBD *Note: The available dates are projected and subject to change. The version numbers may not be immediately available. Please check the schema and business rule page for any updates. 94x on-line signature PIN registration application Version Available date ATS dates Production dates CUv3.0 05/17/2018 Start: 10/29/2018 End: TBD Start: 01/08/2019 End: TBD Form 9465 Version Available date ATS dates Production dates CUv26.0 11/13/2023 Start: 12/17/2023 End: TBD Start: 01/29/2024 End: TBD CUv27.0 06/06/2024 Not valid in ATS Not valid in production Schemas and business rules for Employment Tax Modernized e-File (MeF) Forms Modernized e-File (MeF) program information