This Tariff Concession Order (TCO 1108559) declares that gate valves for blast-furnace material charging (tariff classification 8481.80.90) are eligible for the customs-tariff concession in Schedule 4, item 50, effective 9 March 2011 (made under s269P of the Customs Act 1901). Importers pay a reduced or zero tariff for those goods; the declaration was made by a delegate (David Mulcair) and the concession continues until revoked under ss269SC or 269SD or a date shown in Column 2, requiring use of the specified classification and supporting documents.