Scheduled Maintenance for the Affordable Care Act Information Returns (AIR) System

Internal Revenue Service (IRS) sent this bulletin at 10/16/2026 09:14 AM EDT

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QuickAlerts for Electronic ACA Information Returns

October 16, 2026

Subject: Scheduled Maintenance for the Affordable Care Act Information Returns (AIR) System

The AIR Production environment for the User Interface (UI) and Application to Application (A2A) channels will be unavailable on Tuesday, October 20, 2026, from 9:00 am to 5:00 pm Eastern time.

Please do not attempt to access the Production environment during the maintenance window. We apologize for any inconvenience.

Please monitor the AIR System Operational Status page for any updates.

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Scheduled Maintenance for the Affordable Care Act Information Returns (AIR) System

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