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Some services unavailable 16 - 17 November | myIR, gateway services and our self-service phone line will not be available from 3pm Saturday 16 November to 9am Sunday 17 November while we do planned system testing. This will not affect any tax entitlements or payments scheduled during this time.

If we have accepted, or declined, an application to register an overseas maintenance obligation for enforcement under the 2007 Hague Convention on the International Recovery of Child Support and other forms of Family Maintenance (the 2007 Child Support Convention), you can challenge this decision.

Before you start

Before you challenge our decision, you'll need:

  • IRD number
  • postal address
  • contact details.

You'll also need to give us:

  • the date on the notice of our decision to accept or decline registration of the overseas maintenance decision from us that you are challenging
  • the reasons or grounds for your challenge
  • any evidence to support your challenge.

Send us the challenge letter in myIR

Make sure you let us know the message is for child support.

Attach your challenge letter and any supporting documents to the message.

How to send a message in myIR

Log in to myIR

If you're challenging in writing, make sure you've included your correct information and any documents we need.

Send your documents to us at:

Child Support
PO Box 39010
Wellington Mail Centre
Lower Hutt 5045

Child support - contact us

What happens next

After we get your challenge, we'll review the reasons you've given and your evidence. We'll contact you if we need further information. We will send you notice of our decision and any further options you may have.


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