Providing immigration advice to migrants
Only people who are licensed can provide immigration advice unless they are a New Zealand lawyer or staff from a Citizens Advice Bureau or other exempt person.
If you are not licensed or exempt, you cannot advise migrants on any aspect of immigration matter.
You can guide candidates to publicly available information, like that on the Immigration New Zealand website. This is not classified as immigration advice. However, you cannot, for instance, advise migrants on which would be the best visa for them to apply for, or what documents they may need for the application.
To summarise - employers and recruiters can support candidates to get a visa, but must not provide them with immigration advice as part of the process, unless you are a Licenced Immigration Adviser or
Who can give immigration advice | Immigration Advisers Authority