The tables below provide links to the Tax Year 2018 Release Memorandum, XML Schemas, and Business Rules for the MeF 1040 Series and Extensions. Throughout the year, multiple versions of Business Rules and Schemas 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 2018 Documents Tax Year 2018 Form 1040 Series Forms and Attachments List XLSX Tax Year 2018 Accepted Forms and Schedules for Individual Tax Returns and Extensions XLSX Tax Year 2018 Recommended Names for PDFs Attached to 1040 MeF Submissions PDF Tax Year 2018 Known Issues and Solutions XLSX Tax Year 2018 Form 1040 Series Version Date Available ATS Date Production Date Comments 2018v6.5 02/11/2020 03/08/2020 03/22/2020 03/16/2020: Tax Year 2018, Version 6.5, Change Pages are available for 1040 and 1040NR 02/10/2020: New Tax Year 2018, Version 6.5, Business Rule Sets for 1040, 1040NR, and 1040(SS)PR 02/04/2020: Tax Year 2018, Version 6.5, 1040 schema reflecting change to Form 8835, Line 10, Total Indian Coal Tons Produced and Sold Credit. 2018v6.4 01/28/2020 02/02/2020 02/02/2020 01/28/2020: Tax Year 2018, Version 6.4, 1040 Schema reflecting change to Schedule A (Form 1040), Line 8d, Mortgage Insurance Premiums Amount. 2018v6.3 11/04/2019 12/08/2019 01/27/2020 11/05/2019: Tax Year 2018 / Processing Year 2019, Version 6.3, 1040 Series Schema Only 2018v6.2 11/04/2019 11/04/2019 Not Valid for Production 11/05/2019: Tax Year 2018 / Processing Year 2019, Version 6.2, 1040 Series Schema Only 2018v6.1 02/13/2019 03/10/2019 03/17/2019 03/11/2019 Tax Year 2018 / Processing Year 2019, Version 6.1, 1040 Series Schemas are available 02/13/2019 1040, 1040NR, and 1040SS(PR) Business Rules Sets are available 2018v6.0 11/28/2018 12/30/2018 01/28/2019 05/11/2021 Obsolete 01/31/2019 Business Rules Change Page only 01/16/2019 Business Rules Change Pages only 01/08/2019 Business Rules Change Pages only 12/17/2018 Correction made to Form 1040 Schedule A Schema. 11/28/2018 Business Rules and Schemas 2018v5.0 10/17/2018 12/09/2018 Not Valid for Production 10/17/2018 Business Rules and Schemas 2018v4.0 08/16/2018 10/29/2018 Not Valid for Production 05/11/2021 Obsolete 10/10/2018 Business rules are now available. 8/16/2018 An early look of Tax Year 2018 / Processing Year 2019 Form 1040 schema only. Tax Year 2018 Tax Reform related business rules will be made available later. 2018v3.0 07/25/2018 Not Valid for ATS Not Valid for Production 05/11/2021 Obsolete 2018v2.0 06/13/2018 Not Valid for ATS Not Valid for Production 2018v1.0 05/16/2018 Not Valid for ATS Not Valid for Production Tax Year 2018 Form 4868 Version Date Available ATS Date Production Date Comments 2018v1.0 05/16/2018 10/29/2018 01/28/2019 10/17/2018 Business Rules Change Page only. Tax Year 2018 Form 2350 Version Date Available ATS Date Production Date Comments 2018v1.0 05/16/2018 10/29/2018 01/28/2019 10/17/2018 Business Rules Change Page only. Form 9465 Version Date Available ATS Date Production Date Comments CUv20.0 10/17/2018 12/09/2018 01/28/2019 11/28/2018 Business Rules Change Page only. 10/17/2018 Business Rules and Schema. CUv19.0 06/13/2018 Not Valid for ATS Not Valid for Production CUv18.0 05/16/2018 Not Valid for ATS Not Valid for Production Form 56 Version Date Available ATS Date Production Date Comments CUv16.0 05/16/2018 12/09/2018 01/28/2019 11/28/2018 Business Rules Change Page only. 10/17/2018 Business Rules Change Page only. Modernized e-File Schemas and Business Rules for Individual Tax Returns and Extensions Modernized e-File (MeF) Program Information
