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Income tax Dates

  • MAR 31
    Final date for ratio option provisional tax applications.
  • APR 7
    End-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 7
    Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.

You need to tell us about any missing or incorrect information on your income tax assessment.

Log in to myIR

Go to the right period

Click on the 'Income tax' link on the account tile. Then select the 'Periods' tab and select the right period (tax year).

Amend your return

Click 'File or amend return' under the 'I want to...' menu. Then select 'Amend a return' under the 'I want to...' menu.

What happens next

We'll send you a new income tax assessment. This shows if you:

  • are due a refund
  • have tax to pay
  • have no tax to pay and are not due a refund.

My responsibilities

You may be asked to provide proof of changes to your income or expenses.

Make sure we have your correct contact, bank account and income information. You can update these any time during the tax year. The easiest way is in myIR.

 
Call us on 0800 775 247