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Tax Facts
Key Dates
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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.

Date Category Description
28 October
GST
  • Return and payment due for the taxable period ending 30 September
28 October
Provisional Tax - Ratio Option
  • 3rd instalment (March balance date)
28 October
Provisional Tax - Six Monthly GST Filing
  • 1st instalment (March balance date)
28 October
Provisional Tax - AIM
  • Statement of activity and payment due (March balance date)

 

Key Dates - November 2026

Date Category Description
5 November
PAYE
  • Payment due for large employers for deductions made 16 October to 31 October
20 November
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
20 November
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
30 November
GST
  • Return and payment due for the taxable period ending 31 October (28 November is a Saturday)
30 November
Provisional Tax - AIM
  • Monthly GST filers: statement of activity and payment due (March balance date)

 

Key Dates - December 2026

Date Category Description
7 December
PAYE
  • Payment due for large employers for deductions made 16 November to 30 November (5 December is a Saturday)
21 December
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
21 December
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
 
GST
  • No GST return is due in December. The return for the period ending 30 November is due on 15 January

 

Key Dates - January 2027

Date Category Description
15 January
PAYE
  • Payment due for large employers for the period 16 December to 31 December
15 January
GST
  • Return and payment due for the taxable period ending 30 November
15 January
Provisional Tax - Standard or Estimation Option and/or 1 or 2 monthly GST filing
  • 2nd instalment (March balance date)
15 January
Provisional Tax - Ratio Option
  • 4th instalment (March balance date)
15 January
Provisional Tax - AIM
  • Statement of activity and payment due (March balance date)
20 January
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
20 January
FBT
  • Quarterly return and payment due for the quarter ending 31 December
20 January
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
28 January
GST
  • Return and payment due for the taxable period ending 31 December
28 January
Provisional Tax - AIM
  • Monthly GST filers: statement of activity and payment due (March balance date)

 

Key Dates - February 2027

Date Category Description
5 February
PAYE
  • Payment due for large employers for deductions made 16 January to 31 January
9 February
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
9 February
FBT
  • 2026 income year FBT return and payment due for close companies (without a tax agent)
22 February
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
22 February
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

 

Key Dates - March 2027

Date Category Description
1 March
GST
  • Return and payment due for the taxable period ending 31 January (28 February is a Sunday)
1 March
Provisional Tax - Ratio Option
  • 5th instalment (March balance date)
1 March
Provisional Tax - AIM
  • Statement of activity and payment due (March balance date)
5 March
PAYE
  • Payment due for large employers for deductions made 16 February to 28 February
22 March
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
22 March
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
30 March
GST
  • Return and payment due for the taxable period ending 28 February (28 March is a Sunday and 29 March is Easter Monday)
30 March
Provisional Tax - AIM
  • Monthly GST filers: statement of activity and payment due (March balance date)
31 March
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

 

Key Dates - April 2027

Date Category Description
5 April
PAYE
  • Payment due for large employers for deductions made 16 March to 31 March
7 April
Terminal Tax
  • 2026 end-of-year income tax due for clients of tax agents (with a valid extension of time)
7 April
FBT
  • 2026 income year FBT return and payment due for close companies that are clients of tax agents (with a valid extension of time)
20 April
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
20 April
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

 

Key Dates - May 2027

Date Category Description
5 May
PAYE
  • Payment due for large employers for deductions made 16 April to 30 April
7 May
GST
  • Return and payment due for the taxable period ending 31 March
7 May
Provisional Tax - Standard or Estimation Option and/or 1 or 2 monthly GST filing
  • 3rd instalment (March balance date)
7 May
Provisional Tax - Ratio Option
  • 6th instalment (March balance date)
7 May
Provisional Tax - Six Monthly GST Filing
  • 2nd instalment (March balance date)
7 May
Provisional Tax - AIM
  • Statement of activity and payment due (March balance date)

 

Source: Inland Revenue (ird.govt.nz). Please contact us if you are unsure which dates apply to you.