Mechanically, this Order applies Part III, Schedule 4 item 50 of the Customs Tariff Act 1995 to programmable logic‑controlled vacuum packing machines (tariff classification 8422.30.90) that have selectable vacuum aspiration and adjustable conveyor‑belt speeds, effective 10 July 2008. It was made by a delegate under s269P of the Customs Act 1901 and continues until revoked under ss269SC or 269SD. The measure affects importers of those specific machines, who must ensure their goods match the technical description and tariff classification to claim the Schedule 4 concession.