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Budget 2024 | The Government has confirmed changes and provided more information on FamilyBoost. Find out more: FamilyBoost

Budget 2024 | The Government has confirmed changes to personal income tax, the independent earner tax credit, in-work tax credit, and the minimum family tax credit. Find out more: Personal income tax threshold changes

Use this online form to tell us about New Zealand individuals or businesses that are committing a tax crime.

Gather your information

You should provide as much detail as possible. This will help us find the right individual or business you’re telling us about.

Fill in the online form

You can choose not to identify yourself. If you do give us your details, we can contact you if any information is missing.

Report tax evasion or fraud anonymously - IR873

You can call us on our dedicated anonymous phone line 0800 225 610 or a general phone line.

Contact us - phone numbers and hours

Alternatively, send us a letter with your information. Remember to provide as much detail as you can. 

Inland Revenue
Anonymous Information
PO Box 39010
Wellington Mail Centre
Lower Hutt 5045

What happens next

We'll review your information and decide the next best step.

Because of tax secrecy laws we cannot tell you what we do with your information, but we appreciate you giving it to us.

My responsibilities

We'll do everything we can to hide your identity, but you'll need to be careful to leave out information that may accidentally identify you in your report.

Last updated: 28 Apr 2021
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