AATS and Production Start and End Dates: Posting Dates Start Date End Date AATS Date 10/30/2017 Note: Schemas v1.0 and Business Rules v1.1, v1.2, v1.3, and v1.4 are valid for AATS. TBD Production Date 1/22/2018 Note: Schemas v1.0 and Business Rules v1.1, v1.2, v1.3, and v1.4 are valid for Production. End Date: TBD TBD Release Memo, XML Schemas and Business Rules Release Memo: Updated: (05/25/2018PDF) Schemas 1094-B, 1095-B, 1094-C and 1095-C: (42918ZIP) Version 1.0 Note: Includes a DIFF file from the previous version Business Rules Versions PDF and CSV Formats: Posted: 07/02/2017 (Version 1.0ZIP) Business Rules Versions PDF and CSV Formats: Posted: 10/12/2017 (Version 1.1ZIP) Business Rules Versions PDF and CSV Formats: Posted: 10/31/2017 (Version 1.2ZIP) Business Rules Versions PDF and CSV Formats: Posted: 02/02/2018 (Version 1.3ZIP) Business Rules Versions PDF and CSV Formats: Posted: 05/25/2018 (Version 1.4ZIP) Note: Business Rules will not be active until June 25, 2018. Back to AIR TY2017 Main Page