CRIMES ACT 1914 SECT 84A

(1)

If a Commonwealth officer or a constable, while acting in the course of his duty or employment, has reasonable ground for suspecting that a person who:

(a)

is about to enter or leave the Commonwealth;

(b)

has been in or near, or has passed over, a prohibited place; or

(c)

is behaving or has behaved in a suspicious manner;

is in possession of evidence of an offence against this Part, the officer or constable may cause the person, his belongings and any bag or other article in his possession to be searched, and may, without warrant, detain the person for that purpose.

(2)

A female shall not be searched under this section except by a female.