This Tariff Concession Order designates a specific imported machine (customs classification 8428.90.00) — described as “TURNSTILES, ROOF TILE” with conveyors, loading/unloading cranes and capacity of at least 2,500 tiles/hour — as eligible for the Schedule 4 Item 50 concession under the Customs Tariff Act 1995 from 1 May 2008 (s269P). It affects importers (who receive the tariff concession) and the Commonwealth (which forgoes tariff revenue); compliance depends on matching imports to the order’s technical description and the order can be revoked by the CEO’s delegate (ss269SC–269SD).