Skip to Content
MenuClose

myIR, payments and more


Forms and guides
Ngā puka tāke me ngā puka tohutohu

Find a form or guide based on keyword, document title or document number:


Provisional tax forms and guides


Title and summary Number

Provisional tax

A quick reference factsheet to provisional tax and how and when it must be paid.

IR316

IR235 GST and provisional tax quick reference summary sheet

A quick reference guide to GST and provisional tax that shows you how and when they must be paid.

ir235

Provisional tax estimation (IR309)

Use this form to estimate or re-estimate your provisional tax. This service can be completed online.

ir309

Provisional tax guide (IR289)

Provisional tax is a way of spreading your tax payments throughout the year. This guide tells you how to calculate your provisional tax and when and how to pay it.

IR289