Tax Return Due Date 2025 Nz. May/june gst return & payment due and 3rd provisional tax instalment due please ensure that all returns and payments arrive at the ird before the due date to avoid any interest and penalties being charged. Inland revenue generally has four years from the end of the tax year in which a tax return was filed to reassess the return.

Open the income tax tile. The due date for gst returns and payments is the 28th of the month following the end of the taxable period, except for the following periods: