South Australian Consolidated Acts South Australian Consolidated ActsWhenever in any proceedings under this Act it is material to show that any
person was at any material time under the age of eighteen years—
(a) the
opinion of the court on its own view of such person; or
(b) the
opinion of a police officer who has seen such person,
that such person was at the material time under the age of eighteen years
shall be prima facie evidence of that fact.