Income tax Dates
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AUG 28Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
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OCT 28Provisional tax payments are due if you have a March balance date and use the ratio option.
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JAN 15Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
Log in to myIR
Once you've logged in, select your income tax account.
Select your return
Select the Periods tab then the return you want to change.
Select 'File or amend return'
This is under ‘I want to’ on the right side of the page. You’ll then see details of the return you originally filed.
Select 'Edit submission'
This is also under ‘I want to’ on the right side of the page.
Fix the mistake
Go through your return. Amend the return to show the right details, tell us why you amended it, then resubmit your return.
What happens next
We process your corrected return and send you a notice of assessment showing any refund you are due or tax to pay. We send the assessment to you within 10 weeks.
My responsibilities
You need to keep these records and provide them if we request them:
- the return period the mistake occurred in
- the amount involved
- the nature of the mistake
- the return period the correction was made.
Keep a copy of all returns that you send to us. This will help if you need to make changes to a return and support what you have done.
You can call us and ask us to fix your mistake.
