Under s269P of the Customs Act 1901, this Order declares that a specific stainless‑steel, oval‑tube heat exchanger for water‑treatment plants (tariff classification 8419.50.90) qualifies for the tariff concession listed as Item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995. The order operates from 19 October 2009 and remains in force until revoked under ss269SC/269SD. Importers can claim the Item 50 concession for qualifying units but must show the goods meet the physical and performance specification stated in the Table.