Register as a resident withholding tax payer

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Income tax Dates

APR 7

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.
MAY 7

Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
JUN 28

Provisional tax payments are due if you have a March balance date and use the ratio option.

All Income tax dates

Gather your information

You’ll need:

the IRD number to be registered
your contact details
your BIC (business industry classification) code
the date you'll start paying interest.

Register as a RWT payer in myIR

Other ways to do this

You can either:

complete the registration online
download and fill in the form Resident withholding tax – interest payer registration – IR450. Post it to one of the addresses on the form. Remember to take a copy for your records.

Resident withholding tax payer online registration

Resident withholding tax - interest payer registration IR450 PDF 82KB Download form