Income tax Dates
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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 7AIM instalments are due if you have a March balance date.
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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.
From 1 April 2024, backdated lump sum payments from the Accident Compensation Corporation (ACC), Ministry of Social Development (MSD) and Veterans' Affairs will show as a new income type in myIR.
Last updated:
31 Mar 2025