This Tariff Concession Order declares a specific list of crude-oil/water/gas separator stabiliser items (heaters, separators, pig launchers/receivers, pumps, flare tip and igniters) classified at 8421.29.00 are goods to which Item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995 applies. It takes effect from 21 June 2005 and runs until revoked. The practical effect is to change the tariff treatment applicable to those imported goods, affecting importers, suppliers and customs administration.