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IT systems availability targets

Statistics on the availability performance of key Australian Taxation Office (ATO) IT services.

What IT systems availability targets mean

Why we have IT systems availability targets, what they mean and how they're calculated.

Current year IT systems availability performance report

IT systems availability figures for the 2025–26 financial year.

2024–25 IT systems availability performance report

IT systems availability figures for the 2024–25 financial year.

2023–24 IT systems availability performance report

IT systems availability figures for the 2023–24 financial year

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