The New Zealand government has recently introduced the Electronic Travel Authority (eTA) for citizens of over 60 countries. This eTA allows travellers to enter the country for transit or tourist purposes and its valid for 2 years. Once the application is submitted and accepted, the passenger will receive a confirmation with a reference number.
The e-Visa system is an online method of applying for visas from anywhere in the world. Some advantages of this system to the traveller are that visas can be applied for quickly over the internet at any time, from any location.