When Are Tax Extensions Due 2025 Nz. For individuals, that means you can still file for a tax extension right on april 15, 2025. As part of the 2025 new zealand budget, new personal income tax thresholds apply from 31 july 2025.
Select ‘view’ provisional tax to see your due dates. From the end of may through to the end of july, we will be issuing automatic income tax assessments for most new zealanders.