Income tax Dates
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MAR 31Final date for ratio option provisional tax applications.
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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.
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MAY 7Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
What are tax codes?
Tax codes help your employer or payer work out how much tax to deduct from your pay, benefit or pension.
You need to work out your tax code for each source of income you receive.
Tell your employer or payer what your code is otherwise they will tax you at the higher non-declaration rate of 45%.
You need to tell your employer or payer if your tax code changes.
Your tax code depends on your situation
Your main income
You have one tax code for your main income. The code you use depends on the type and amount of your main income.
Your secondary income
If you have more than one source of income you use a secondary tax code for your other income.
Do you have a student loan?
If you have a student loan you use a tax code that tells your employer to deduct your repayments.
Once you’ve paid off your loan you need to get a new tax code and tell your employer what it is.
Are you getting schedular payments?
Use the WT tax code for income from schedular payments.
We might change your tax code
If we see that you're using the wrong tax code we'll ask your employer or payer to change it and notify you. We do this to stop you being taxed more than you should during the tax year or to help you avoid getting a bill at the end of the tax year. Talk to us if you disagree with our decision to change your tax code.
What are tailored tax codes?
Tailored tax codes help you pay the right amount of tax if your circumstances mean you often have a large tax bill or refund.
You can get a tailored tax code if your income comes from:
- salary or wages
- New Zealand Superannuation
- Veteran’s Pension
- a second job or other income over and above your main job
- a benefit or ACC while you are working at the same time
- an overseas pension that is taxable in New Zealand
- business losses from previous years when you now earn salary or wages.
A tailored tax code lasts for up to one tax year.
If you get a tailored tax code during the tax year it will start on the date we approve it and end on 31 March.
If you receive NZ Super
If you receive NZ Super, you can change your tax code through the Ministry of Social Development's website.
Changing your tax code for NZ Super and Veteran's Pension
