New Zealanders can generally use their driver licence for the first 3 months after arriving in Australia. They must then apply for an Australian driver licence.
Using a NZ driver licence
First 3 months
New Zealanders can generally use their New Zealand driver licence in Australia for the first three months after arrival, if it has not expired or been suspended.
After 3 months
After three months, New Zealanders normally have to apply for a driver licence from the authorities in the state or territory where they live.