Tax Year 2017 v1.0 Schema and Business Rule packages have been posted to irs.gov. These Schema and Business Rule packages are not valid for AATS or Production. The Form to Schema Crosswalks for Tax Year 2017 are also posted.
The "Diff" File included in the v1.0 Upstream Schema package for the ACA Information Returns identifies the changes from the Tax Year 2016 v3.3 schema to the Tax Year 2017v1.0 schema.
The ACA Information Returns Tax Year 2017v1.0 Business Rules are available in two formats that contain identical information: Adobe (.pdf) and Comma Separated Values (.csv). the “Nature of Change” column shows the changes from Tax Year 2016. New for Tax Year 2017 are eight Shared Business rules for Forms 1095-B and 1095-C.
Please send any comments or feedback to the AIR Mailbox.