These are certificates you obtain from the police to prove you are of good character.
If you are seeking residence in New Zealand
You must provide police certificates for everyone 17 years of age or over included in your application, from:
each person’s country of citizenship, and
each country that they have lived in for 12 months or more in the last 10 years.
If you are in New Zealand temporarily, for example, to study or work
You must provide police certificates if you are 17 years of age or over and you are intending to stay in New Zealand for 24 months or longer.
We need to see certificates from:
your country of citizenship (unless you can prove you never lived there), and
any country you have lived in for 5 or more years since turning 17 years of age.