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Queen Elizabeth II Memorial Day, Monday 26 September Our phone lines and offices are closed, but you can still get in touch with us. Find out more

Delays to response times: It's taking longer than usual to answer calls and myIR messages, including for unclaimed money. You may be able to use self-service options in myIR. You can also find information on our website by typing in what you want to do in the search bar. Thank you for your understanding. Log in to myIR

Changes to the myIR login screen are coming You will not be able to use myIR between 1pm Saturday 8 October and 8am Monday 10 October. This is so we can update our external authentication system. From Monday 10 October the myIR login page will have a new look and feel, but the login process will not change.

Before you start

Gather your information. You will need:

  • the IRD number of the person or organisation you are registering
  • your bank account number for your GST refunds
  • the business' turnover in the last 12 month
  • the business' expected turnover in the next 12 months

You will be asked to enter your BIC (business industry classification) code when you register. The 'Find my BIC code' tool will help you find it.

Find my BIC code tool

You will also need to choose your GST filing frequency and your accounting basis.

Which GST accounting basis and filing frequency should I use?

After logging into myIR, select the 'I want to...' tab

Select 'Register for new tax accounts'

Select the IRD number of the person or organisation

Select 'Goods and services tax (GST)'

Provide your contact and business details

Complete all the sections under 'General info' and 'GST registration'.

The last step is to submit your registration. We'll send you confirmation that we've received your registration.

Log in to myIR

What happens next

We will process your request within 10 working days. If we need more information we will contact you. 

Your GST account will show in myIR once we have confirmed your registration.

Your GST number will be the same as your IRD number.

My responsibilities

Once registered for GST you need to:

  • charge GST to your customers
  • file GST returns
  • pay any GST you owe to us.
  • keep GST records.
Last updated: 28 Apr 2021
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