Narcotic Drugs Act 1967

to obtain or cultivate cannabis plants, to produce cannabis or cannabis resin or to manufacture a cannabis drug; or

to engage in activities relating to such obtaining, cultivation, production or manufacture;

enter premises at which the person is present and where the obtaining, cultivation, production, manufacture or activity is being undertaken, for the purposes of the following:

inspecting or monitoring the obtaining, cultivation, production, manufacture or activity;

checking whether the obtaining, cultivation, production, manufacture or activity is being carried out as authorised by the licence in accordance with a medicinal cannabis permit, and whether licence conditions are being complied with; and

take samples of any thing at the premises and remove and test such samples.