Can probably get a better sense of the NZ impact from this: https://www.nzfootball.co.nz/wp-content/uploads/20...
Possibly been updated since this was posted, but there's nothing in the criteria for a 'C' licence (i.e what a team playing in the Mainland PL or any South Island PL would need) that seems to go beyond setting some standards that the country's good clubs maintain at present.