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.
We work out your ratio percentage
We'll decide your ratio percentage
We'll let you know what it is before your first provisional tax payment due date.
Work out your provisional tax for the year
Multiply the ratio percentage by your GST-taxable supplies for the previous 2 months.
File your return and make payment
You’ll make your provisional tax payments along with your GST returns. You can make payment or request a ratio percentage in myIR.