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Get an IRD number for your child

Your child will need an IRD number if they’re earning any money or interest, or if you’re applying for Working for Families or child support.

When your child will need an IRD number

You need to apply for an IRD number for your child if they’re under 16 and:

  • working part-time
  • earning interest on their bank balance or an investment.

Or if your child is under 18 and you’re:

  • registering for Working for Families (if you do not supply IRD numbers for your children, payments will stop after 8 weeks)
  • applying for child support.

See the Inland Revenue website for full information.

Get an IRD number for your child

You can apply for your child online or download an application form.

IRD numbers for individuals — Inland Revenue

If you’re having a baby, you can apply for their IRD number when you register their birth.

How to register your baby — Inland Revenue

If you’re not sure about your situation, work out how you need to apply for an IRD number.

IRD numbers — Inland Revenue

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