For the purposes of this Act, all the persons in a native title claim group or compensation claim group authorise a person or persons to make a native title determination application or a compensation application, and to deal with matters arising in relation to it, if:
(a) where there is a process of decision - making that, under the traditional laws and customs of the persons in the native title claim group or compensation claim group, must be complied with in relation to authorising things of that kind--the persons in the native title claim group or compensation claim group authorise the person or persons to make the application and to deal with the matters in accordance with that process; or
(b) where there is no such process--the persons in the native
title claim group or compensation claim group authorise the other person or
persons to make the application and to deal with the matters in accordance
with a process of decision - making agreed to and adopted, by the persons in
the native title claim group or compensation claim group, in relation to
authorising the making of the application and dealing with the matters, or in
relation to doing things of that kind.