This Order declares that centrifugal pumps for alumina processing (tariff classification 8413.70.10) are to be treated under Item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, effective 18 September 2008 (made under s269P). It was signed by a delegate of the Chief Executive Officer and stays in force until revoked under ss269SC or 269SD. Mechanically, importers of these pumps receive the tariff treatment Item 50 provides; they bear the classification and compliance risk and must monitor any revocation by the delegate.