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Your IRD number identifies your organisation for all its tax related events. It's unique to your organisation.

You may need an IRD number if you're:

  • setting up a company, limited partnership, ordinary partnership, joint venture, estate, charity, trust, club, society, superannuation scheme or Māori authority
  • an offshore person (for example, a non-resident company, limited partnership, partnership, joint venture or trust)
  • an employer
  • selling goods and services
  • buying, selling or transferring property in New Zealand
  • in the property rental business. 
Last updated: 25 May 2026
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