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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.

Your IRD number identifies you for all the tax-related events in your life. Your IRD number is unique to you, and you keep the same IRD number for life.

How you apply for one depends on if you’re currently in New Zealand or overseas.

You do not need to pay us when you apply for an IRD number.


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Last updated: 05 Oct 2025
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