This Tariff Concession Order (TCO 0935315) declares that certain parts for horizontal stirred grinding mills (agitator shafts and drive shafts incorporating agitator shafts) classified at 8474.90.00 are subject to Schedule 4 Item 50 concession from 18 September 2009. It was made by a delegate under section 269P of the Customs Act 1901. The practical effect is to lower or remove customs duty for importers of those specific parts while the concession remains in force, with revocation possible under sections 269SC or 269SD.