This Tariff Concession Order (TCO 0931406) declares that extraction columns or coalescers used in hydrogen peroxide manufacturing (classified 8421.29.00) are goods to which Part III, Schedule 4 item 50 of the Customs Tariff Act 1995 applies, effective 26 August 2009. Mechanically, it allows eligible importers to claim the Schedule 4 tariff concession (reducing or removing customs duty) for those specific goods. The order was made by a delegate under s.269P of the Customs Act 1901 and remains until revoked under ss.269SC/269SD; correct tariff classification and documentation are the primary compliance requirements.