This Order designates “wellhead housings, subsea, with extension joint” (tariff code 7326.90.90) as goods to which item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995 applies, effective 5 June 2009 until revoked under sections 269SC or 269SD of the Customs Act 1901 (made under s.269P). It affects importers and suppliers of that offshore equipment by changing the tariff treatment of those imports; the precise duty effect is determined by Schedule 4 item 50 and not by this Order alone.