The responsibility is on the visitor to meet all of the Immigration New Zealand entry requirements at the time they travel to New Zealand. 

• To hold a genuine and valid passport.
• To be of good character, including a personal history that shows they are a law-abiding citizen.
• To be of good health.
• To have sufficient funds to support their stay in New Zealand - namely at least $1,000 a month for maintenance and accommodation, or $400 a month if the accommodation has been prepaid.
• To have a genuine, bona fide and credible reason for visiting New Zealand.
• INZ must believe that the person will abide by the conditions of any visa granted to them, including not undertaking work while in New Zealand (this includes any activity undertaken for gain or reward).
• INZ must believe that the person is genuinely intending to depart New Zealand at the end of their stay.
• Evidence of means to leave New Zealand (which can include actual travel tickets).

All applications are assessed on a case-by-case basis against the applicable immigration instructions.