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When is your 2025 tax return due?

Carmen Horn
For many business owners, the next tax return in the diary will be the 2025 tax return. Let the below be a handy quick guide to doing your 2025 tax return. The due dates are the same for companies, sole traders and individuals. Although if you’re an individual with a normal job, paying PAYE and have no additional income, your tax return is usually automatically filed with IRD.

What are the 2025 tax return dates?

Tax return filing opens 1 April 2025. The due dates are:

  • 7th July 2025 (without extension)
  • 31st March 2026 (with extension)

Provisional tax:
If you need to pay provisional tax (2024 tax > $5,000) the due dates are as follows:
- 1st Installment: 28 August 2024
- 2nd Installment: 15 January 2025
- 3rd Installment: 7 May 2025

When do you need to file your 2025 New Zealand tax return?

Without extension: Most people won’t have an extension. The due date is 7th July 2025.

With an extension or linked to an accountant or tax agent: The tax return is due by 31st March 2026.

When do you need to pay your 2025 New Zealand tax return?

You will need to have paid this on or before 7th April 2026.

Need help filing your 2025 tax return?

If you’re feeling overwhelmed in filing your 2025 tax return and you own a New Zealand small business, get in touch! We can help with your tax returns and more.

Carmen Horn

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