Key Dates - October 2026
Key tax dates from 25 October 2026 to 7 May 2027 for people and organisations with a 31 March balance date. Where a due date falls on a weekend or public holiday, the next working day is shown. Employer deductions include PAYE, ESCT, KiwiSaver, student loan and child support deductions.
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28 October
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GST |
- Return and payment due for the taxable period ending 30 September
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28 October
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Provisional Tax - Ratio Option |
- 3rd instalment (March balance date)
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28 October
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Provisional Tax - Six Monthly GST Filing |
- 1st instalment (March balance date)
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28 October
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Provisional Tax - AIM |
- Statement of activity and payment due (March balance date)
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Key Dates - November 2026
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5 November
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PAYE |
- Payment due for large employers for deductions made 16 October to 31 October
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20 November
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PAYE |
- Payment due for large employers for deductions made 1 November to 15 November
- Payment due for small employers for deductions made in October
- File employment information within 2 working days after payday
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20 November
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RWT / NRWT |
- Monthly payers: return and payment due for RWT and NRWT deducted in October
- Investment income information due for interest and dividends paid in October
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30 November
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GST |
- Return and payment due for the taxable period ending 31 October (28 November is a Saturday)
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30 November
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Provisional Tax - AIM |
- Monthly GST filers: statement of activity and payment due (March balance date)
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Key Dates - December 2026
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7 December
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PAYE |
- Payment due for large employers for deductions made 16 November to 30 November (5 December is a Saturday)
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21 December
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PAYE |
- Payment due for large employers for deductions made 1 December to 15 December
- Payment due for small employers for deductions made in November
- 20 December is a Sunday
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21 December
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RWT / NRWT |
- Monthly payers: return and payment due for RWT and NRWT deducted in November
- Investment income information due for interest and dividends paid in November
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GST |
- No GST return is due in December. The return for the period ending 30 November is due on 15 January
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Key Dates - January 2027
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15 January
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PAYE |
- Payment due for large employers for the period 16 December to 31 December
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15 January
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GST |
- Return and payment due for the taxable period ending 30 November
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15 January
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Provisional Tax - Standard or Estimation Option and/or 1 or 2 monthly GST filing |
- 2nd instalment (March balance date)
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15 January
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Provisional Tax - Ratio Option |
- 4th instalment (March balance date)
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15 January
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Provisional Tax - AIM |
- Statement of activity and payment due (March balance date)
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20 January
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PAYE |
- Payment due for large employers for deductions made 1 January to 15 January
- Payment due for small employers for deductions made in December
- File employment information within 2 working days after payday
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20 January
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FBT |
- Quarterly return and payment due for the quarter ending 31 December
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20 January
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RWT / NRWT |
- Monthly payers: return and payment due for RWT and NRWT deducted in December
- Investment income information due for interest and dividends paid in December
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28 January
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GST |
- Return and payment due for the taxable period ending 31 December
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28 January
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Provisional Tax - AIM |
- Monthly GST filers: statement of activity and payment due (March balance date)
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Key Dates - February 2027
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5 February
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PAYE |
- Payment due for large employers for deductions made 16 January to 31 January
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9 February
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Terminal Tax |
- 2026 end-of-year income tax due for people and organisations (without a tax agent) with a March balance date
- 7 February is a Sunday and 8 February is the Waitangi Day holiday
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9 February
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FBT |
- 2026 income year FBT return and payment due for close companies (without a tax agent)
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22 February
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PAYE |
- Payment due for large employers for deductions made 1 February to 15 February
- Payment due for small employers for deductions made in January
- 20 February is a Saturday
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22 February
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RWT / NRWT |
- Monthly payers: return and payment due for RWT and NRWT deducted in January
- Investment income information due for interest and dividends paid in January
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Key Dates - March 2027
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1 March
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GST |
- Return and payment due for the taxable period ending 31 January (28 February is a Sunday)
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1 March
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Provisional Tax - Ratio Option |
- 5th instalment (March balance date)
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1 March
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Provisional Tax - AIM |
- Statement of activity and payment due (March balance date)
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5 March
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PAYE |
- Payment due for large employers for deductions made 16 February to 28 February
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22 March
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PAYE |
- Payment due for large employers for deductions made 1 March to 15 March
- Payment due for small employers for deductions made in February
- 20 March is a Saturday
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22 March
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RWT / NRWT |
- Monthly payers: return and payment due for RWT and NRWT deducted in February
- Investment income information due for interest and dividends paid in February
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30 March
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GST |
- Return and payment due for the taxable period ending 28 February (28 March is a Sunday and 29 March is Easter Monday)
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30 March
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Provisional Tax - AIM |
- Monthly GST filers: statement of activity and payment due (March balance date)
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31 March
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Annual Returns |
- 2026 income tax returns due for clients of tax agents (with a valid extension of time)
- End of the 2026-27 tax year
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Key Dates - April 2027
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5 April
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PAYE |
- Payment due for large employers for deductions made 16 March to 31 March
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7 April
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Terminal Tax |
- 2026 end-of-year income tax due for clients of tax agents (with a valid extension of time)
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7 April
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FBT |
- 2026 income year FBT return and payment due for close companies that are clients of tax agents (with a valid extension of time)
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20 April
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PAYE |
- Payment due for large employers for deductions made 1 April to 15 April
- Payment due for small employers for deductions made in March
- File employment information within 2 working days after payday
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20 April
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RWT / NRWT |
- Monthly payers: return and payment due for RWT and NRWT deducted in March
- Investment income information due for interest and dividends paid in March
- Six-monthly payers: return and payment due for RWT and NRWT deducted 1 October to 31 March
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Key Dates - May 2027
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5 May
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PAYE |
- Payment due for large employers for deductions made 16 April to 30 April
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7 May
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GST |
- Return and payment due for the taxable period ending 31 March
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7 May
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Provisional Tax - Standard or Estimation Option and/or 1 or 2 monthly GST filing |
- 3rd instalment (March balance date)
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7 May
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Provisional Tax - Ratio Option |
- 6th instalment (March balance date)
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7 May
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Provisional Tax - Six Monthly GST Filing |
- 2nd instalment (March balance date)
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7 May
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Provisional Tax - AIM |
- Statement of activity and payment due (March balance date)
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Source: Inland Revenue (ird.govt.nz). Please contact us if you are unsure which dates apply to you.