This Tariff Concession Order (TCO 0509758) declares that goods described as “roller jackets and/or electromagnetic stirrer sleeves, slabcaster” (Tariff classification 8454.90.00) are to which item 50 in Part III of Schedule 4 of the Customs Tariff Act 1995 applies, effective 21 July 2005. The declaration was made by a delegate under section 269P and remains in force until revoked under sections 269SC or 269SD. It changes the tariff treatment importers and customs officials apply to these specific goods.