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Key Tax Info at a Glance

Your quick reference for current income tax rates and important GST and income tax payment dates for 2025–2026. Stay on top of what’s due and when.

Upcoming INC & GST Payment Dates

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28 JUN

  • Provisional tax (March balance date, ratio option)

  • GST return & payment for period ending 31 May

28 JUL

  • GST return & payment for period ending 30 June

28 AUG

  • GST return & payment for period ending 31 July

  • Provisional tax (March balance date – standard, estimation, or ratio)

29 SEP

  • GST return & payment for period ending 31 August

28 OCT

  • GST return & payment for period ending 30 September

  • Provisional tax (March balance date, ratio option)

28 NOV

  • GST return & payment for period ending 31 October

15 JAN

  • GST return & payment for period ending 30 November

28 JAN

  • GST return & payment for period ending 31 December

9 FEB

  • End-of-year tax & Working for Families bills due (no extension)

2 MAR

  • GST return & payment for period ending 31 January

  • Provisional tax

30 MAR

  • GST return & payment for period ending February

7 APR

  • End-of-year tax & Working for Families bills due (with extension)

7 MAY

  • GST return & payment for period ending 31 March

  • Provisional tax

28 MAY

  • GST return & payment for period ending 30 April

DATE

DETAILS

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