IRIS Assurance Testing System (ATS)


Find ATS scenarios, known issues and solutions for the Information Return Intake System (IRIS).

IRIS ATS testing begins June 2023. To receive a schema package, apply for an IRIS TCC.

IRIS Schemas and Business Rules

ATS Scenarios Tax Year 2022/Processing Year 2023

IRIS ATS Scenarios Tax Period ATS Known Issues and Solutions
Form 1099 Series ATS ScenariosPDF 2022 Form 1099 Series ATS Known Issues