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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 February

The fifth instalment of your provisional tax is due on 28 February if you have a March balance date and use the ratio option to calculate your provisional tax payments.

Find out more about calculating your provisional tax

If you think you have something to pay but aren't sure, you can call us on 0800 377 774 (or 0800 443 773 if you are a large enterprise).

GST returns and payment

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

Find out more about filing your GST return and making payments