This Tariff Concession Order (made under s.269P of the Customs Act 1901) treats specified parts for isolation gate valves and dust dischargers used in blast furnaces as goods covered by Item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, effective 29 March 2007 and continuing until revoked (see ss.269SC–269SD). It changes import tariff treatment for those parts — importers must classify shipments correctly to claim the Item 50 concession; the order was made by a delegate of the CEO (Diane Morland).