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There are 3 name types you can update with us.

  • Legal name.
  • Preferred name.
  • Trade name.

Before you start

You'll need to attach supporting documents confirming your name change, such as:

  • Marriage certificate
  • Birth certificate
  • Change of Name certificate.

Make sure you have a digital copy of your documents before you request a change to your legal name.

Select the 'I want to tab...' in myIR

Go down to 'Communicating with IR' and select 'Send a message'

After selecting 'Send a message', select the following options:

  • This message is not relevant to a specific account
  • Other.

In the subject line enter 'Legal name change'.

Include a message that you want to change your legal name, including what it was and what it is now. Then add your supporting documents and submit the message to us.

Log in to myIR

Select the 'I want to...' tab in myIR

Go down to 'My details' and select 'Manage names and addresses'

Select 'Add name' next to the type of name you want to update

Log in to myIR

Select the 'I want to...' tab in myIR

Go to 'Communicating with IR' and select 'Send a message'

After selecting 'Send a message', select the following options:

  • This message is not relevant to a specific account
  • Other.

In the subject line enter 'Title change'.

Include a message that you want to change your title, and what you want to change it to. If you are changing your title to Miss, Mrs, Ms, Mx, Mr or Master you do not need to provide proof.

Log in to myIR

My responsibilities

It's important you keep your contact, income type and bank account details updated.

If you're a Working for Families or child support customer you'll also need to tell us about changes to your family situation or income.

If you want to use a paper form, download our Change of details form - IR238. Fill it in and send it to us at:

Inland Revenue
PO Box 39010
Wellington Mail Centre
Lower Hutt 5045
New Zealand

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