Tax Return 2025 Nz Filing Deadline. New zealand income tax return filing deadline for taxpayers without extensions of time for filing, for the year ended 31 march 2024. Late filing of tax returns will result in a late filing penalty.
Find out whether you need to file and what recent changes may affect how you complete your income tax return for the tax year ended 31 march 2024. An extension of time until the following 31 march is available.