Originally Posted by kyanar

Baggage does not fall to operating carrier, actually. There are IATA rules known as "most significant carrier" rules that apply instead. Technically, as the whole thing is on one itinerary ticketed by NZ, the NZ baggage rules apply across the whole thing as they are the most significant carrier (being the only international sector) and not QF. In theory, QF do not have to offer you a bag at all.

Whether they do or not, is a different question.