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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.

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Learn about what happens when you have a dispute with us about your tax. You can start the disputes process with us or we can start it with you.

Taxpayer-initiated disputes process

Commission-initiated disputes process

Last updated: 17 Aug 2022
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