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myIR, payments and more


Calendars and important dates
Ngā maramataka me ngā rā hira

Provisional tax payments for ratio option customers and GST returns and payments due
28 October

The third instalment of  provisional tax is due on 28 October  for people who have a March balance date and use the ratio option to calculate their provisional tax payments.

Find out more about calculating your provisional tax.

Find out more about contacting us while running a business

Find out more about contacting us if you are a large enterprise

GST returns and payment due

Your GST return and payment are due for the taxable period ending September.

Find out more about filing your GST return and making payments