Key Tax Dates for 2023

If you haven't already, it's time to add some entries to your calendar so you don't miss any vital tax dates.

Click here to view IRD’s detailed list or scroll down to find your applicable dates.

30th January

• GST due for the period ending 31 December

• AIM installments due if you file GST monthly and have a March balance date

7th February

• Terminal Tax

• End-of-year income tax and Working for Families bills are due, unless your tax agent has an extension of time to file your income tax return

• Your FBT income year return and payment are due if you have a March balance date and no extension of time

20th February

• PAYE Due

28th February

• GST due for the period ending 31 January

• AIM installments are due if you have a March balance date

20th March

• PAYE Due

28th March

• GST due for the period ending 28 February

• AIM installments are due if you file GST monthly and have a March balance date

31st March

• Final day to file tax returns for taxpayers with a tax agent

7th April

• End-of-year income tax and Working for Families bills are due if you have an extension of time to file your income tax return

• Terminal Tax For taxpayers (with a tax agent) with balance dates between 1 March and 30 September

20th April

• PAYE Due

8th May

• GST due for the period ending 31 March

• Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options

• AIM installments are due if you have a March balance date

22nd May

• PAYE Due

28th May

• GST due for the period ending 30 April

20th June

• PAYE Due

28th June

• GST due for the period ending 31 May

20th July

• PAYE Due

28th July

• GST due for the period ending 30 June

21st August

• PAYE Due

28th August

• GST due for the period ending 31 July

• Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options

20th September

• PAYE Due

28th September 

• GST due for the period ending 31 August

• AIM instalments due if you file GST monthly and have a March balance date

20th October 

• PAYE Due

28th October

• GST due for the period ending 30 September

• AIM instalments due if you have a March balance date

20th November

• PAYE Due

28th November

• GST due for the period ending 31 October

• AIM instalments due if you file GST monthly and have a March balance date

16th January

• PAYE Due

• GST due for the period ending 30 November

• Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options