Auckland branch covers the North Auckland District.
This district covers the area north of a line drawn
from the mouth of the Waikato to the Firth of Thames,
not including the Coromandel Peninsula.
Manawatu branch covers Taranaki, Wanganui, Manawatu, Hawkes Bay, Gisborne, and the area north of a line from Otaki to Cape Turnagain.
Waikato branch covers the South Auckland District. This district covers the Waikato, Coromandel, Bay of Plenty, Rotorua and Taupo.
The Wellington Branch covers the part of the Wellington District not included in the Manawatu Branch together with the Marlborough and Nelson Land Districts.
The Canterbury branch covers Canterbury and Westland
The Otago branch covers the Otago and Southland Districts.
Members resident or temporarily overseas belong
to a group administered by the Honorary General Secretary.