This Order declares that “filter tools, wellbore cleanup, oil and gas well” (customs classification 8421.29.00) are eligible for the tariff concession at item 50, Part III of Schedule 4 to the Customs Tariff Act 1995, effective 30 July 2009 until revoked. It affects importers of those goods, who may pay lower or no tariff under that Schedule. The declaration was made by a delegate of the Chief Executive Officer under section 269P of the Customs Act 1901; revocation follows sections 269SC or 269SD.