The tables below provide links to the tax year 2024 release memorandum, extensible markup language schema, and business rules for the Modernized e-File (MeF) 1040 series and extensions.
Throughout the year, multiple versions of schema and business rules may be in use at the same time. For each version, the tables below reflect the effective dates in the Assurance Testing System (ATS) and Production System.
Tax year 2024 documents
- Tax year 2024 accepted forms and schedules for individual tax returns and extensions XLSX (11/21/2024)
- Tax year 2024 form 1040 series and extensions forms and attachments XLSX (11/06/2024)
- Tax year 2024 recommended portable document file (pdfs) names attached to 1040 MeF submissions XLSX (11/07/2024)
Tax year 2024 form 1040 series
| Version | Date available in SOR * | ATS date | Production date | Comments |
|---|---|---|---|---|
| 2024v1.0 | 06/06/2024 | Not valid in ATS | Not valid in production | |
| 2024v2.0 | 07/18/2024 | Not valid in ATS | Not valid in production | |
| 2024v3.0 | 08/29/2024 | 10/28/2024 | Not valid in production | |
| 2024v4.0 | 10/10/2024 | 11/17/2024 | Not valid in production | |
| 2024v5.0 | 11/12/2024 | 12/15/2024 | 01/27/2025 |
Updated Business rules provided 01/14/2025 Updated Business rules provided 12/16/2024 |
Tax year 2024 form 4868
| Version | Date available in SOR * | ATS date | Production date | Comments |
|---|---|---|---|---|
| 2024v1.0 | 06/06/2024 | 10/28/2024 | 01/27/2025 |
Tax year 2024 form 2350
| Version | Date available in SOR * | ATS date | Production date | Comments |
|---|---|---|---|---|
| 2024v1.0 | 06/06/2024 | Not valid in ATS | 01/27/2025 |
Form 9465
| Version | Date available in SOR * | ATS date | Production date | Comments |
|---|---|---|---|---|
| CUv27.0 | 06/06/2024 | Not valid in ATS | 01/27/2025 | 10/09/2024 – Form 9465 business rule change pages only will be made available in the Secure Object Repository on 10/10/2024. |
Form 56
| Version | Date available in SOR * | ATS date | Production date | Comments |
|---|---|---|---|---|
| CUv23.1 | 10/12/2023 | 11/19/2023 | 01/29/2024 |
* Secure Object Repository (SOR)