New South Wales Consolidated Acts(cf Vic Act s 174)
The board of a co-operative must not consent under section 170 or 170A to the
sale or transfer of a share if as a result of the sale or transfer the nominal
value of the shares held by the purchaser or transferee would exceed:
(a) 20% of the nominal value of the share capital of the co-operative, or
(b) if a lower percentage is specified in the rules of the co-operative, that lower percentage of the nominal value of the share capital of the co-operative.