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Tax year 2024 documents
The tables below provide links to the tax year 2026 Extensible Markup Language (XML) schemas, business rules, and release memorandum for the employment tax forms (Form 94x series).
Throughout the year, multiple versions of schemas and business rules may be in use at the same time. The table reflects the effective dates in the Assurance Testing System (ATS) and Production System, for each version.
- 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 |
|---|---|---|---|---|
| 2024v4.2 | 04/24/2025 | Start: 06/01/2025
End: TBD |
Start: 06/22/2025
End: TBD |
|
| 2024v4.1 | 02/11/2025 |
Start: 03/09/2025 End: TBD |
Start: 03/23/2025 End: TBD |
Business rule change page available 04/24/2025 |
| 2024v4.0 | 10/10/2024 |
Start: 11/17/2024 End: TBD |
Start: 01/15/2025 End: TBD |
Schema updates available 02/11/2025 Business rule change page available 02/11/2025 |
| 2024v3.0 | 08/29/2024 |
Start: 10/28/2024 End: 11/16/2024 |
Not valid in production | |
| 2024v2.0 | 07/18/2024 |
Not valid in ATS |
Not valid in production |
Tax year 2024 Form 941x (quarterly forms)
| Version | Available date | ATS dates | Production dates | Comments |
|---|---|---|---|---|
| 4/18/2024 |
Start: 06/02/2024 End: TBD |
Start: 06/16/2024 End: TBD |
Schema updates available 02/11/2025 Business rule change page available 02/11/2025 |
|
| 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 |
|---|---|---|---|
| CUv27.0 | 11/13/2023 |
Start: 10/28/2024 End: TBD |
Start: 01/25/2025 End: TBD |
| CUv26.0 | 11/13/2023 | Start: 12/17/2023
End: 10/27/2024 |
Start: 01/29/2024
End: 01/24/2025 |
Schemas and business rules for Employment Tax Modernized e-File (MeF) Forms