Te whakahaere i taku tāke Managing my tax

An IRD number is for personal use (for example, you or your child) or if you have a company, trust, partnership or other type of business.

Let us know if your details change.

Find out how and when to pay us, and what account type to use when paying.

You can choose someone to deal with your tax on your behalf.

The associated persons rules make sure that your transactions or business deals are taxed correctly, no matter your relationship with others involved in the deal.

Keep good business records to help you file your returns and as support if you're audited.

There are different ways you can fix mistakes in your tax returns.

We may charge penalties and interest for late or unpaid tax, and we'll pay you interest if you overpay your tax.

What to do if you're having trouble paying your tax by the due date, or if you have tax debt.

You can apply for a short-process ruling if you're unsure of how tax law applies to your situation.

If you disagree with a decision or assessment we've made, you may need to follow a formal process if we cannot resolve the issue any other way.

Find information on how we audit records to make sure you've paid the right amount of tax, and what we look for when we review tax governance.

Look out for phone calls, texts, emails or social media posts from people pretending to be us.

We help people pay the right amount of tax and claim the right entitlements, and we take action against those who do not.

Learn how to open, view, edit, forward and troubleshoot encrypted emails from us.

Use these exchange rates to convert foreign currency to New Zealand dollars.