This Tariff Concession Order (effective 6 Jan 2009) declares imported sand mixers (tariff classification 8474.39.00; mixing capacity ≥18 t/hour) eligible for Item 50 of Part III, Schedule 4 to the Customs Tariff Act 1995. It is made under s.269P of the Customs Act 1901 and remains in force until revoked under ss.269SC or 269SD. Mechanically, importers receive a Schedule 4 tariff concession (lowering import cost), the Commonwealth forgoes tariff revenue, and administrators retain discretion to revoke the concession.