The order is limited to the Sovereign and twenty members; however, there are also additional and honorary members which are not counted towards the limit. The order confers no knighthood or other status, but members of this one-class order are entitled to use the Post-nominal Letters "ONZ".
The Badge of the Order comprises an oval medallion, with the Arms of New Zealand in gold and coloured enamel. Members wear the badge on a red ochre ribbon with white stripes on each edge.
The Order has two officers: the Registrar and Secretary.