Calculators and tools

myIR maintenance | myIR will not be available on Sunday morning 10 December from midnight to 4am NZDT. We're sorry for any inconvenience.

End-of-year arrangements Our offices and phone lines will close down over the holiday season, but our website, self-service 0800 number and myIR will remain available. Find out more

We've upgraded our voice system You may notice some changes the next time you call us. Find out more