This Tariff Concession Order (TCO 1110718) declares that specific imported furnace parts — described as “end caps, refractory lance, blast furnace” and classified under tariff heading 6815.99.00 — are subject to the Schedule 4 tariff concession at Item 50, effective 29 March 2011. It affects importers of those precise parts by changing how the Customs Tariff applies at import. The order was made by a delegate under s.269P of the Customs Act 1901 and remains in force until revoked under ss.269SC or 269SD.