Improving land transport to make a better New Zealand
Factsheet 7 — February 2005
A child doesn't have to be in an approved child restraint if they're travelling in a:
However, where a safety belt is available in any of these vehicles, the child must be restrained, and where an approved child restraint is available, it must be used (where appropriate for the child's age and weight).
Taxi companies will probably provide child restraints if you give them reasonable notice.
Note that the driver of a passenger service vehicle, such as a bus or taxi, is not legally responsible for ensuring seat belts are used (if fitted). It's up to the person in charge of the child to make sure they are used.