Income tax Dates
APR 7End-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 7Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
JUN 28Provisional tax payments are due if you have a March balance date and use the ratio option.
Gather your information
- 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
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.