Mechanically, this Order declares that a specific clay crushing, grinding and mixing plant (tariff code 8474.39.00) is subject to item 50 of Schedule 4 to the Customs Tariff Act 1995. It takes effect 14 Sep 2010 and remains in force until revoked under sections 269SC or 269SD of the Customs Act 1901 (or any expiry date shown). The Order changes the tariff treatment for those listed goods and therefore affects importers, manufacturers and the Customs administration by changing which duties and classification apply.