This order declares that a specific extruding and moulding line for corrugated plastic pipe (corrugator, extrusion head, perforator, mould blocks), tariff heading 8477.80.00, is to which Item 50 in Part III of Schedule 4 of the Customs Tariff Act 1995 applies. It took effect 17 January 2011 and continues until revoked. The declaration was made by a delegate of the Chief Executive Officer (Michael Perry) and changes how customs applies that Schedule 4 item when those machines are imported, affecting importers' duty treatment and customs assessments.