Commonwealth Numbered Acts

EVIDENCE ACT 1995 No. 2 of 1995 - SECT 78

78. The opinion rule does not apply to evidence of an opinion expressed by a
person if:

   (a)  the opinion is based on what the person saw, heard or otherwise
        perceived about a matter or event; and

   (b)  evidence of the opinion is necessary to obtain an adequate account or
        understanding of the person's perception of the matter or event.