Affordable Care Act (ACA) information returns and transmittals are electronically filed through the ACA Information Return system, also known as AIR.
AIR AATS and Production will be unavailable from 6:00 p.m. Eastern on Thursday, December 27, 2018, until 12:00 p.m. Eastern on Sunday, December 30, 2018, due to planned maintenance.
|Tax Years Available||2015, 2016 and 2017||2015, 2016, 2017 & 2018|
*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.
For more information regarding AIR, please see the AIR page on IRS.gov.