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Any person affected by a decision or who receives an notice of assessment may object to it.

Before you start

Before you object to a decision, you'll need:

  • the reference number on your assessment or decision letter
  • to check your contact details are up to date in myIR.

You'll also need to give us:

  • the reasons or grounds for objecting, selecting them from a list in the form
  • any evidence to support your objection.

We need to receive the objection within 28 days from the date of the decision or assessment. If your objection is late, you'll need to tell us why on the form.

In myIR, select 'More...' from the child support panel

Select 'Object to a child support decision or assessment'

Complete the required details and submit

If your objection is late, tell us why on the form.

Call us or email us if the reason for your objection is not on the form. Our contact details are under 'Other ways to do this'.

Log in to myIR

You can also fill out the Notice of objection – child support – IR119 form online or on paper.

If your objection is late, tell us why on the form. Call us or email us if the reason for your objection is not on the form.

Check you've included your correct information and any documents we need. Sign the form and send your documents to us at:

Child Support
PO Box 39010
Wellington Mail Centre
Lower Hutt 5045

Child support - contact us

What happens next

We need to receive the objection within 28 days from the date of the decision or assessment. If you already pay child support, you must continue paying until you hear from us.

After we get your objection, we'll review the reasons you've given on your form. We'll then contact you with our decision and any further options you may have.

My responsibilities

As a child support customer you must always:

  • tell us about changes
  • check your information
  • tell us if something is wrong.

Changes to my child support details


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Last updated: 18 Sep 2020
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