XML Schemas, and other information for software developers and transmitters, who are interested in developing software for the AIR Program, is provided by Tax Year: In Processing Years 2016, 2017, 2018, 2019 and 2020 AIR will accept Forms 1094-B, 1095-B, 1094-C and 1095-C returns only. Schemas for AIR by tax year Tax Year Form Type 2019 1094-B, 1095-B, 1094-C, and 1095-C 2018 1094-B, 1095-B, 1094-C, and 1095-C 2017 1094-B, 1095-B, 1094-C, and 1095-C 2016 1094-B, 1095-B, 1094-C, and 1095-C 2015 1094-B, 1095-B, 1094-C, and 1095-C Affordable Care Act Information Returns (AIR) Program