Keep Ahead: Essential 2025 Tax Dates

Make sure you mark these important dates in your calendar to avoid penalties. We’ve got your back, but being ahead of the game is always best!

 7th February:

• End-of-year income tax and Working for Families bills due, unless you have an extension

• FBT return and payment due if you have a March balance date

20th February: PAYE Due

28th February:

• GST due for the period ending 31st January

• AIM instalments due if you have a March balance date

  
  

20th March: PAYE Due

28th March:

• GST due for the period ending 29th February

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

  
  

31st March: Final day to file 2023 tax returns for clients with a tax agent, unless you have a deferred filing date.

8th April:

• End-of-year income tax and Working for Families bills due if you have an extension

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

  
  

22nd April: PAYE Due

7th May:

• GST due for the period ending 31st March

• Provisional tax payments due if you have a March balance date

• AIM instalments due if you have a March balance date

  
  

22nd May: PAYE Due

28th May: GST due for the period ending 30th April

20th June: PAYE Due

28th June: GST due for the period ending 31st May

20th July: PAYE Due

28th July: GST due for the period ending 30th June

21st August: PAYE Due

28th August:

• GST due for the period ending 31st July

• Provisional tax payments due if you have a March balance date

  
  

20th September: PAYE Due

28th September:

• GST due for the period ending 31st 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 30th September

• AIM instalments due if you have a March balance date

  
  

20th November: PAYE Due

28th November:

• GST due for the period ending 31st October

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

  
  

15th January:

• PAYE Due

• GST due for the period ending 30th November

• Provisional tax payments due if you have a March balance date

Looking for something that’s not listed—click here to see all the IRD detailed dates.

About the Author

Haley Reyners is the founder of My Two Cents Accounting & Advisory and a Certified ICNZB Master Bookkeeper® — one of the highest recognitions in New Zealand’s bookkeeping profession. With over 20 years of experience, she’s passionate about helping small business owners find clarity, confidence, and calm in their finances. Haley leads her team with personality and purpose, breaking down complex accounting talk into everyday language that makes sense.