139Opinion evidence

139 Opinion evidence (1) For making an unexplained wealth declaration or a criminal benefits declaration, despite any other Act or any practice relating to hearsay evidence, a court may receive evidence of the opinion of a person who is experienced in the relevant field of speciality or in the investigation of illegal activities involving prohibited plants or dangerous drugs about: (a) the market value at a particular time of a particular kind of prohibited plant or dangerous drug; or (b) the amount, or range of amounts, ordinarily paid at a particular time for doing anything in relation to a particular kind of prohibited plant or dangerous drug; or (c) the relative quality of plant material; or (d) any other matter on which the court may require guidance. Criminal Property Forfeiture Act 2002 86 (2) For subsection (1), persons who are experienced in the matters mentioned in that subsection include: (a) a police officer; and (b) a member of the Australian Federal Police or the Australian Crime Commission; and (c) an officer of Customs as defined in section 4(1) of the Customs Act 1901 (Cth); and (d) the DPP; and (e) a botanist or other plant specialist; and (f) a person who uses a particular type of drug or grows a particular type of plant.