... susceptible wood, in the form of packing cases, boxes, crates, drums and similar packings, pallets, box pallets and other load boards, pallet collars, whether or not actually in use in the transport of objects of all kinds shall undergo either an appropriate heat treatment to achieve a minimum wood-core temperature of 56°C for 30 minutes, pressure (impregnated) treatment, or fumigation in order to ensure freedom from live PWNs and either display an officially approved treatment marking enabling the identification of where and by whom the treatment has been carried out or be accompanied by the said plant passport attesting the measures carried out.
