This Order, made under s269P of the Customs Act 1901, applies Schedule 4 item 50 to certain horizontal pipeline slurry pumps (tariff 8413.70.90) with inlet dimensions of 50–500 mm, effective 7 Aug 2008 until revoked. It affects importers and suppliers of those pumps by altering tariff treatment and therefore government tariff receipts. Who benefits depends on correct tariff classification and meeting the size description; the Order was signed by a delegate and can be revoked under ss269SC or 269SD.