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Gather your information

Before you object to a decision you will need:

  • your IRD number
  • the date on the letter or notice from us that you are objecting to
  • any evidence to support your objection.

Fill out the form and send it to us

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

International customers can email the form to

What happens next

We must 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 receive your objection we'll review the reasons you've given on your form. We will then contact you with our decision.

My responsibilities

As a child support customer you must always:

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

Update my child support details