Criminal Investigation Act 2006

that the thing is property that has been stolen or otherwise unlawfully obtained;

that the thing may be seized under another written law;

that possession of the thing at that time and place by the person in possession of it is unlawful;

that the thing may be forfeited to the State or the Crown;

that it is necessary to seize the thing for one or more of the following purposes —

to prevent it from being concealed, disturbed or lost;

to preserve its evidentiary value;

to do a forensic examination on it;

to prevent it from being used in the commission of another offence.