Mechanically, this Order declares that imported goods described as “CERAMIC MEDIA, REGENERATIVE THERMAL OXIDISER” (customs classification 6909.19.00) are to be treated under Item 50 of Part III of Schedule 4 to the Customs Tariff Act 1995, effective 2 November 2005. It affects importers of that specific product by changing which Schedule 4 tariff item applies (thereby altering the tariff treatment they must follow); the decision was made by a delegate of the Chief Executive Officer under s.269P and may be revoked under ss.269SC–269SD.