Here are some useful links:
APRA – promotes the value of music, licences music users and distributes royalties to music writers.
RIANZ – works to protect the rights and interests of a broad spectrum of creative people involved in the New Zealand recording industry.
New Zealand Music Commission – government funded arts agency committed to growing New Zealand music business, both at home and overseas.
NZ on Air – mission is to reflect and foster the development of New Zealand culture and identity through broadcasting.
Inland Revenue Department – collects the revenue that the government needs to fund its programmes and administers a number of social support programmes.
New Zealand Companies Office – the government agency responsible for administering corporate body registers, including the companies register.