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.
Check your eligibility
Gather your information
You'll need:
- the IRD numbers of each company wanting to become consolidated
- to choose an agent or nominated company for the group
- each company's current imputation credit balance
- the amount of losses each company is carrying forward
In myIR, select 'I want to...'
Select 'Send a message'
Select 'something else'
Write your message
Tell us you want to form a consolidated group, and attach your completed IR494 form.
Log in to myIR
You can also send us your form by mail to:
Inland Revenue
PO Box 39090
Wellington Mail Centre
Lower Hutt 5045
New Zealand
Last updated:
22 Oct 2025