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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 2025 documents
- Tax year 2025 94x MeF accepted forms and schedules PDF
- Tax year 2025 94x MeF ATS information
- Tax year 2025 94x MeF forms and attachment list XLSX
- Tax year 2025 94x MeF return due dates PDF
- Tax year 2025 94x MeF stylesheets
- Tax year 2025 known issues and solutions
Tax year 2025 Form 94x (annual forms)
| Version | Available date | ATS dates | Production dates | Comments |
|---|---|---|---|---|
| 2025v1.0 | 06/27/2025 | Not Valid in ATS | Not Valid in production | |
| 2025v2.0 | 07/16/2025 | Start: 10/14/2025 End: 11/01/2025 |
Not Valid in production | |
| 2025v3.0 | 09/25/2025 | Start: 11/02/2025 End: 12/06/2025 |
Start: TBD End: TBD |
Tax year 2025 Form 94x (quarterly forms)
| Version | Available date | ATS dates | Production dates | Comments |
|---|---|---|---|---|
| 2025Q1v3.3
2025Q2v3.3 |
04/24/2025 | Start: 06/01/2025
End: TBD |
Start: 06/22/2025
End: TBD |
|
| 2025Q1v3.2
2025Q2v3.2 |
02/11/2025 | Start: 03/09/2025
End: TBD |
Start: 03/23/2025
End: TBD |
|
| 2025Q1v3.1
2025Q2v3.1 |
10/10/2024 | Start: 11/17/2024
End: TBD |
Start: 01/15/2025
End: TBD |
Schema updates available 02/11/2025 |
|
2025Q1v3.0 |
08/29/2024 | Start: 10/28/2024
End: 11/16/2024 |
Not valid in production | |
|
2025Q1v2.0 |
07/18/2024 | Not valid in ATS | Not valid in production |
*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 online signature PIN registration application
| Version | Available date | ATS dates | Production dates |
|---|---|---|---|
| CUv3.0 | 05/17/2018 | Start: 10/29/2018 | Start: 01/08/2019 |
Form 9465
| Version | Available date | ATS dates | Production dates |
|---|---|---|---|
| CUv28.0 | 07/16/2025 | Start: 10/14/2025 | Not Valid in production |
| CUv27.0 | 06/06/2024 | Start: 10/28/2024 | Start: 01/25/2025 |
Schemas and business rules for employment tax Modernized e-File (MeF) forms