detention; (v) the imposition and recovery of fees for sorting, disinfecting, fumigating or treating growing media and plants on importation; (w) the disposal of imported growing media and plants in respect of which prescribed fees are not paid and of the proceeds, if any, resulting from their disposal; (x) the issue of permits as a pre-requisite to the importation of growing media, injurious organisms, invertebrates and plants; (y) the p roduction of phytosanitary certificates signed by responsible persons or authorities in the country or territory of origin relating generally or specifically to – (i) the freedom of imported growing media, invertebrates and plants, or the area in which they were produced or grown, from injurious organisms; and (ii) the treatment of imported growing media and plants before dispatch from their place of origin; (z) the production of certificates of origin of imported growing media, injurious organisms, invertebrates and plants and for the furnishing by the importer of particulars relating to imported growing media, injurious organisms, invertebrates and plants. 11