Affordable Care Act (ACA) information returns and transmittals are electronically filed through the ACA Information Return system, also known as AIR.
The AIR Production and AATS environments will be unavailable due to scheduled maintenance from Saturday, September 25, 2021, at 7:00 a.m. Eastern until Sunday, September 26, 2021, at 12:00 p.m. Eastern.
Please do not attempt to access the AIR Production or AATS environments via the Application to Application (A2A) and User Interface (UI) Channels during the maintenance period.
We apologize for any inconvenience.
|Tax Years Available||2015, 2016, 2017, 2018, 2019 and 2020||2015, 2016, 2017, 2018, 2019 and 2020|
*Scheduled Maintenance Build:
A routine maintenance build is scheduled every Sunday. The system will be unavailable from 12:00 a.m. to 12:00 p.m. Eastern time.
For more information regarding AIR, please see the AIR page on IRS.gov.