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Follow these steps to tell us about any change to your or your child's details that might affect your child support.

Common changes you need to tell us about

Before you start

Log in to your myIR account, if you have one.

The easiest way to update your details is in myIR, but you can also call us or write to us. Our contact details are at the end of the page.

Register for a personal myIR account

Go to your child support account in myIR

You'll find this on the homepage of your myIR account. It will say either 'Receiving carer' or 'Liable parent' (paying parent).

Then from the child support account panel, click 'More...'

Go to 'Child support change of circumstances'

Choose your change type

You can update any of the following details.

  • If you've got back together with the person you pay child support to or receive it from.
  • Children who are leaving your care or who are no longer qualifying children.
  • Your dependent children.
  • Changes to ongoing living arrangements (recognised care).
  • Any other changes you need to tell us about.

Follow the prompts to submit your update

Log in to myIR

If you do not have myIR, you can call us or fill in a Change of circumstances - IR116 form.

Sign the form and send it to us at:

Child Support
PO Box 39010
Wellington Mail Centre
Lower Hutt 5045

Make sure to attach any documents needed to support your completed form.

Child support - contact us

What happens next

If your payments change, we will send you a letter showing your new yearly and monthly entitlement or child support to pay. If you're registered for myIR, you'll get this online, otherwise we'll send it to you by post.

You can see new payment details in myIR.

Check your payments in myIR - paying parents
Check your payments in myIR - receiving carers


My responsibilities

As a child support customer, remember to:

  • tell us about changes
  • check your information
  • keep up with payments.

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Last updated: 17 Jul 2024
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