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The tables below provide links to the tax year 2023 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 2023 documents
- Tax year 2023 94x MeF accepted forms and schedules PDF
- Tax year 2023 94x MeF ATS information
- Tax year 2023 94x MeF forms and attachment list XLSX
- Tax year 2023 94x MeF return due dates PDF
- Tax year 2023 94x MeF stylesheets
- Tax year 2023 known issues and solutions XLSX – Revised 09/17/2024
Tax year 2023 Form 94x (annual forms)
| Version | Available date | ATS dates | Production dates | Comments |
|---|---|---|---|---|
| 2023v3.1 | 09/25/2025 | Start: 11/02/2025 | Start:TBD End: TBD |
|
| 2023v3.0 | 4/18/2024 | Start: 06/02/2024 End: TBD |
Start: 06/16/2024 End: TBD |
Business Rules change page available 04/24/2025 Schema updates available 2/11/2025 Business Rules Change page available 2/11/2025 Business Rules Change page available 10/10/2024 |
| 2023v2.0 | 11/13/2023 | Start: 12/17/2023 End: 06/01/2024 |
Start: 01/16/2024 End: 06/15/2024 |
Business Rules Change page available 02/08/2024 Business Rules Change page available 12/28/2023 |
| 2023v1.0 | 06/08/2023 | Start: 10/23/2023 End: 12/16/2023 |
Not valid in production |
Business Rules Change page available 08/30/2023 Business Rules Change page available 07/20/2023 |
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 |
|---|---|---|---|
| CUv26.0 | 11/13/2023 | Start: 12/17/2023 | Start: 01/29/2024 |
| CUv27.0 | 06/06/2024 | Start: 10/28/2025 | Start: 01/25/2025 |
Schemas and business rules for Employment Tax Modernized e-File (MeF) forms