Income tax Dates
MAR 31Final date for ratio option provisional tax applications.
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.
Check you're eligible
You need to meet certain criteria before you apply for an exemption.
Gather your information
- your IRD number
- your contact details
- the reason for the declaration.
Download the IR451 form
Fill in the form and send it to us
The address is on the form.
Tell your payer you have an exemption from paying resident withholding tax, and if applicable what the expiry date is.