Source data
New Zealand GST standard deadlines and calendar exceptions
Sources checked
- 30 November 2026GST due for the taxable period ending 31 October
- 15 January 2027GST due for the taxable period ending 30 November
- 28 January 2027GST due for the taxable period ending 31 December
- 7 May 2027GST due for the taxable period ending 31 March
The November and March period ends use the special dates.
New Zealand GST standard deadlines and calendar exceptions
Inland Revenue guidance checked 11 November 2026. Use the end of your own taxable period. Where a listed ordinary date is a non-working day, check the next working day and applicable holidays.
| Source | |||
|---|---|---|---|
| 31 October 2026 | 30 November 2026 | Inland Revenue’s current calendar lists this date | Source 1 |
| 30 November 2026 | 15 January 2027 | Special rule for the November period end | Source 1 |
| 31 December 2026 | 28 January 2027 | Ordinary 28th rule | Source 1 |
| 31 January 2027 | 28 February 2027 before adjustment | Sunday. The next working day rule applies. | Source 2 |
| 31 March 2027 | 7 May 2027 | Special rule for the March period end | Source 1 |
| 30 April 2027 | 28 May 2027 | Ordinary 28th rule | Source 1 |