The links below provide information and technical guidance for software developers and transmitters who are interested in developing software for AIR for tax year 2015. Included are the XML schemas, business rules, error codes, release memorandums and specific instructions. Tax year 2015 documents Known issues and solutions PDF (Updated 08/25/2016) The schema to form crosswalks are provided for reference Form 1094-B schema to form crosswalk PDF Form 1094-C schema to form crosswalk PDF Form 1095-B schema to form crosswalk PDF Form 1095-C schema to form crosswalk PDF XML schemas, business rules and memo - Throughout the year, multiple versions of these documents may be in use at the same time. Special attention should be paid to the release memo issue date and the projected start and end dates for AIR Assurance Testing System (AATS) and production. Tax year 2015 Forms 1094-B, 1094-C, 1095-B and 1095-C Date posted AATS dates Production dates 2015v8.0 Note: The 2015 v3.1 have been updated from v3.0 business rules. See Nature of Change column for the updates. This business rule package corresponds to schema v8.0. (10/23/2017) 10/23/2017 Start date: 10/30/2017 End date: TBD Start date: 01/2018 End date: TBD 2015v3.0 11/05/2015 Start date: 11/18/2015 End date: 01/21/2016 Start date: TBD End date: TBD 2015v2.0 10/29/2015 Start date: 11/02/2015 End date: 11/18/2015 Start date: TBD End date: TBD 2015v1.0 8/24/2015 Start date: Not valid for AATS End date: Not valid for AATS Start date: Not valid for production End date: Not valid for production Back to AIR page