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Planned system outage | Our online services (including myIR and submitting information using software providers) will be unavailable from 6pm Friday 14 to approximately 4pm Sunday 16 March while we complete some system upgrades. The outage will not affect any saved drafts or web requests in myIR, our website, general tools and calculators. We apologise for any inconvenience this causes.</

ACC earners’ levies now set for 2026, 2027 and 2028 years | ACC earners’ levies have been set for the 2025-26, 2026-27 and 2027-28 tax years. Find out more: ACC earners levy rates

Hamilton (Home Straight) public counter is temporarily closed | Our Hamilton Public Counter will be closed from Monday 3 March 2025 and re-opens on Monday 17 March 2025. For anything urgent, you can call our contact centre.

Our new computer system gives us a greater overview of trends and patterns in tax compliance.

If the information you send us is different to what we’d expect given your industry or past behaviour, we'll stop these returns from processing to review them.  A lot of the time we'll contact you to discuss your situation, fix your return (if it needs fixing) and enable you to get it right next time. However, due to the range of information we look at when deciding what action to take, an audit may be more appropriate when it supports our compliance strategy.

We've also stopped a lot of incorrect refunds going out, meaning you do not have to worry about following these up with us and sending the money back.

If our analytics suggest you're a first-time business owner, we’ll be in touch to see how we can help you from the outset.

We've found that often return errors are caused by customers not knowing where to put a figure in their tax return. We stop those returns before they are processed and inform the customer. We also use this information to improve our online services.

If someone has engaged in fraudulent activity in the past, we flag their account to watch what they're doing. This does not mean they'll be investigated every year. Instead, we work with them to change their behaviour.

Last updated: 07 Apr 2021
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