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This IRD number process is for offshore businesses or organisations that are offshore persons. Use this process if you’re an offshore person such as:

  • a company or other incorporated body, whether listed on a stock exchange or not
  • limited partnership
  • general partnership, joint venture or other unincorporated body
  • trust or estate
  • unit trust.

Before you start

Confirm:

  • that you’re an offshore person
  • your Business Industry Classification (BIC) Code
  • what documentation you need. 

Onshore or offshore?

Business Industry Classification Code - businessdescription.co.nz

Documents for organisations and non-individual IRD number applications

Apply online

Apply for a non-individual IRD number

If you're applying for an estate IRD number, select the 'Trust' organisation type. Then you can select that it's an estate.

What happens next

We'll contact you if we need more information about your registration.

We'll email or post your IRD number to you. It can take 20 working days to arrive if we post it.

You can track the progress of your application with our submission tracking tool.

Find a submission

Your responsibilities

Keep your IRD number where you can easily find it.

Set up a myIR account for your business or organisation when you have your IRD number.

Tell us about any changes. The easiest way to update your details is in myIR. You can also send us a message in myIR and attach any required documents to it.

Last updated: 25 May 2026
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