Tax year 2024 documents Tax year 2024 94x MeF accepted forms and schedules PDF Tax year 2024 94x MeF ATS information Tax year 2024 94x MeF forms and attachment list XLSX Tax year 2024 94x MeF return due dates PDF Tax year 2024 94x MeF stylesheets Tax year 2024 known issues and solutions XLSX – Revised 6/25/2024 Tax year 2024 Form 94x (annual forms) Version Available date ATS dates Production dates Comments 2024v4.0 10/10/2024 Start: 11/17/2024 End: TBD Start: TBD End: TBD 2024v3.0 08/29/2024 Start: 10/28/24 End: 11/16/24 Not available in production 2024v2.0 07/18/2024 Not available in ATS Not available in production Tax year 2024 Form 941x (quarterly forms) Version Available date ATS dates Production dates Comments 2024Q1v2.0 2024Q2v2.0 2024Q3v2.0 2024Q4v2.0 4/18/2024 Start: 06/02/2024 End: TBD Start: 06/16/2024 End: TBD 2024Q1v1.0 2024Q2v1.0 2024Q3v1.0 2024Q4v1.0 06/08/2023 Start: 10/23/2023 End: 06/01/2024 Start: 04/01/2024 End: 06/15/2024 Business rules change page dated 02/08/2024 94x online 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