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Check the operational status for the Affordable Care Act Information Returns (AIR) system. This includes the production and testing systems.
AATS unavailable: October 29, 5:00 p.m. ET – November 3, 9:00 a.m. ET
AATS will be unavailable while we prepare for the filing season. Starting November 3, 2025, 9 a.m. ET, Tax Year 2025 will be the current year for testing in AATS. Tax years 2015 - 2024 will be accepted as prior year returns.
AIR is unavailable Sundays 12 a.m. – 12 p.m. ET due to routine maintenance.
Production system
Operational
Assurance Testing System (AATS)
Not operational