AATS and production start and end dates Posting dates Start date End date AATS date 11/02/2018 TBD Production date 1/17/2019 TBD Release memo, XML schemas and business rules Release memo PDF (updated 04/16/2019) Schemas 1094-B, 1095-B, 1094-C and 1095-C ZIP (posted 07/18/18 (version 1.0) Note: Includes a DIFF file from the previous version)) Business rules versions PDF and CSV formats ZIP (posted 07/18/2018 (version 1.0)) Business rules versions PDF and CSV formats ZIP (posted 10/26/2018 (version 1.1)) Business rules versions PDF and CSV formats ZIP (posted: 04/16/2019 (version 1.2) Note: Business rules will be valid on 05/06/2019) Back to AIR TY 2018 page