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Planned system outage - 12 September 2026 | Our online services including myIR, self service phone lines and gateway services will be unavailable on Saturday 12 September, 2026 from 1pm to approximately 10.30pm while we complete a planned system update. We apologise for any inconvenience this may cause.

If you have special circumstances that are not taken into account in your formula assessment, you can apply for a child support review.

This is sometimes called an administrative review.

Last updated: 30 Apr 2025
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