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Beginning of main content
Irs-schema
Contents of Directory irs-schema
| Name | Date | Size | Description |
|---|---|---|---|
| fs26-aca-air-iep-b-and-c-upstream-ty2025-v1-0-XML-library-8-7-for-ats-and-production-ui.zip | 2025-10-24 10:44:22 | 90.27 KB | TY2025 Schemas 1094-B, 1094-C, 1095-B, 1095-C |
| ty2025-release-memo-air-schema-business-rules.pdf | 2025-10-06 22:31:04 | 184.3 KB | Release memo for tax year 2025 Forms 1094-B, 1095-B, 1094-C, and 1095-C ACA (AIR) schema and business rules |
| aca-ext-bus-rules-ty2025-v1.zip | 2025-10-06 22:28:23 | 676.81 KB | TY2025 ACA AIR business rules v1.0 |
| py2026r1.zip | 2025-09-30 15:35:26 | 10.19 MB | TY 2025 Package to date (ZIP) |
| ty2025-known-issues-and-solutions.xlsx | 2025-09-12 18:27:25 | 21.24 KB | TY 2025 known issues and solutions |
| ty2024-known-issues-and-solutions.xlsx | 2025-09-11 09:32:00 | 34.37 KB | TY 2024 known issues and solutions |
| ty2025-1065-mef-forms-attachments.xlsx | 2025-08-19 08:35:59 | 157.21 KB | Tax year 2025 1065 MeF forms attachment listing |
| ty2024-1065-mef-forms-attachments.xlsx | 2025-07-01 16:36:00 | 154.96 KB | Tax year 2024 1065 MeF forms attachment listing |
| Tax year 2025 1120 MeF forms attachment listing.xlsx | 2025-06-20 21:54:46 | 245.53 KB | Tax year 2025 1120 MeF forms attachment listing |
| ty2024-1120x-mef-forms-attachments.xlsx | 2025-06-20 21:34:40 | 242.97 KB | Tax year 2024 1120 MeF forms attachment listing |
| main-cert-4q25.zip | 2025-06-12 22:45:00 | 4.59 KB | MeF SSL Production Certificates |
| alt-cert-4q25.zip.zip | 2025-06-12 22:45:00 | 4.64 KB | MeF SSL ATS Certificates |
| ty2024-recommended-pdf-names-attached-mef-1040-series-extensions-submissions-52225.xlsx | 2025-05-22 12:48:18 | 24.16 KB | Tax year 2024 recommended names for pdf files attached to 1040 MeF submissions |
| py2025r1.zip | 2025-04-18 12:30:00 | 8.83 MB | TY2024 package to date (ZIP) |
| ty2022-known-issues-and-solutions.xlsx | 2025-03-21 17:20:00 | 39.63 KB | Tax Year 2022 Known Issues and Solutions (XLSX) |
| ty2024-recommended-names-and-descriptions-for-pdf-files-by-form.pdf | 2025-03-10 10:00:57 | 188.49 KB | TY2024 Recommended names and descriptions for PDF files defined in MeF publications, webpages and business rules |
| ty2024-recommended-names-and-descriptions-for-pdf-files-by-code-and-section.pdf | 2025-03-10 09:55:57 | 241.83 KB | TY2024 Recommended names and descriptions for PDF files defined in regulatory requirements |
| tax-year-2024-1120x-accepted-forms-and-schedules.xls | 2025-02-04 09:51:01 | 42.5 KB | Tax Year 2024 1120 MeF accepted forms and schedule |
| mef-production-call-log-01302025.pdf | 2025-01-31 12:45:08 | 40.44 KB | Modernized e-File (MeF) call Q&A log 01-30-2025 |
| mef-production-call-log-01292025.pdf | 2025-01-31 12:38:49 | 64.81 KB | Modernized e-File (MeF) call Q&A log 01-29-2025 |
| mef-production-call-log-01282025.pdf | 2025-01-31 12:21:22 | 71.33 KB | Modernized e-File (MeF) call Q&A log 01-28-2025 |
| ty2024-7004-mef-due-dates.pdf | 2024-12-16 18:36:09 | 142.3 KB | Tax year 2024 Form 7004 MeF return due dates |
| ty2024-1065-accepted-forms-and-schedules.pdf | 2024-12-03 16:13:00 | 132.58 KB | Tax year 2024 1065 MeF accepted forms and schedules |
| tax-year-2024-accepted-forms-schedules-individual-tax-returns-extensions-11212024.xlsx | 2024-11-21 14:34:02 | 30 KB | Tax year 2024 Modernized e-File schema and business rules for individual tax returns and extensions |
| tax-year-2023-recommended-names-and-descriptions-for-pdf-files-by-form.pdf | 2024-10-21 10:17:41 | 147.42 KB | TY 2023 Recommended names and descriptions for PDF files defined in MeF publications, webpages and business rules |
| 1042-ty2024-v2-0-schema.zip | 2024-10-03 10:54:42 | 70.38 KB | TY 2024 Form 1024 schema v. 2.0 |
| 1042-ty2024-v2-0-business-rules.xlsm | 2024-10-03 10:48:55 | 41.94 KB | TY 2024 Form 1024 business rules v. 2.0 (XLSM) |
| 1042-ty2024-v2-0-business-rules.pdf | 2024-10-03 10:45:07 | 176.9 KB | TY 2024 Form 1024 business rules v. 2.0 (PDF) |
| aca-ext-bus-rules-1094-b-ty2024-v1-0-09132024.zip | 2024-09-13 11:02:30 | 660.25 KB | TY2024 ACA AIR business rules v1.0 |
| TY24-schemas-1094-b-1094-c-1095-b-1095-c-v1.zip | 2024-09-13 10:59:36 | 90.54 KB | TY2024 ACA AIR schemas v1.0 |
| ty2024-release-memo-air-schema-business-rules.pdf | 2024-09-13 10:56:34 | 93.55 KB | Release memo for tax year 2024 Forms 1094-B, 1095-B, 1094-C, and 1095-C ACA (AIR) schema and business rules |
| main-cert-3q24.zip | 2024-08-16 07:28:03 | 4.54 KB | SSL Server Certificates PROD |
| alt-cert-3q.zip | 2024-08-16 07:13:46 | 4.36 KB | SSL Server Certificates ATS |
| 720-2290-8849-accepted-forms-and-attachments.pdf | 2024-08-13 12:24:00 | 179.03 KB | Tax year 2025 8849 MeF accepted forms and schedules |
| ty-2025-720-mef-due-dates.pdf | 2024-08-13 12:17:00 | 189.61 KB | Form 720 and Form 8849 due dates and extended due dates for tax year 2025 |
| tax-year-2023-recommended-pdf-names-attached-mef-1040-series-extensions-submissions-06062024.xlsx | 2024-06-06 12:37:00 | 20.66 KB | Tax year 2023 recommended portable document files (PDFs) attached to 1040 MeF submissions |
| py2024r1.zip | 2024-06-06 07:52:00 | 30.93 MB | TY 2023 Stylesheets (ZIP) |
| tax-year-2024-forms-attachments-1040-series-extensions-11062024.xlsx | 2024-06-03 15:05:43 | 147 KB | Forms and attachments tax year 2024 1040 series and extensions |
| 1120s-ats-test-scenario-10-ty23.pdf | 2024-05-29 16:14:00 | 807.69 KB | 1120-S MeF ATS scenario 10 |
| ty2021-known-issues-and-solutions.xlsx | 2024-03-27 13:24:37 | 50.17 KB | Tax Year 2021 Production Known Issues and Solutions |
| mef-production-call-log-02012024.pdf | 2024-02-05 14:32:57 | 62.72 KB | Modernized e-File (MeF) Call Q&A Log 02-01-24 |
| mef-production-call-log-01312024.pdf | 2024-02-05 14:30:00 | 63.23 KB | Modernized e-File (MeF) Call Q&A Log 1-31-24 |
| mef-production-call-log-01302024.pdf | 2024-02-05 12:55:10 | 62.59 KB | Modernized e-File (MeF) Call Q&A Log 1-30-24 |
| ty2020_known_issues_and_solutions.xlsx | 2024-01-24 17:56:00 | 53.22 KB | TY2020 Production Known Issues and Solutions |
| ty2023-7004-mef-due-dates.pdf | 2024-01-17 13:18:08 | 113.34 KB | TY2023 7004 mef due dates |
| ty2023-1120x-formsattachments.xlsx | 2023-12-27 14:40:30 | 236.72 KB | Tax Year 2023 1120 MeF Forms Attachment Listing |
| ty2023-1120x-acceptedformsandschedules.pdf | 2023-12-27 14:36:39 | 92.01 KB | Tax Year 2023 1120 MeF Accepted Forms and Schedules |
| form-attachments-1040-series-extensions-12042023.xlsx | 2023-12-07 08:32:40 | 202.26 KB | Tax Year 2023 form 1040 series and extensions forms and attachments listing |
| 1120-test-scenario-1-alternate-ty23.pdf | 2023-12-01 12:07:31 | 1.2 MB | TY 2023 1120 MeF ATS Alternate Scenario 1 |
| 1120-test-scenario-1-ty23.pdf | 2023-12-01 12:04:58 | 1.86 MB | TY 2023 1120 MeF ATS Scenario 1 |