Citizens from all Asia-Pacific Economic Cooperation (APEC) economies except Australia who want to take up temporary residence for business purposes in New Zealand must apply for a work visa, unless their stay will be for no longer than three months in any one year and they will only be in New Zealand to discuss and negotiate business arrangements. Those people may enter as visitors.
A work visa is an endorsement in your passport to allow you to enter or re-enter New Zealand. It shows you have permission to travel to New Zealand and may be granted a work permit when you arrive. The visa may be single for one journey or multiple for more than one journey and may be issued for up to three years' duration.