| Key Date | What’s Due |
|---|---|
| 31 March | End of the standard NZ financial year. |
| 7 May | Final Provisional Tax instalment due for the year. |
| 7 July | Income tax return deadline (IR3/IR4) if filing without a tax agent. |
| 31 March (Next Year) | Income tax return deadline if using a registered tax agent (Extension of Time). |