A delegate of the CEO (under s 269P) declares that a specific waxed, single‑ply, ring‑spun yarn (tariff heading 5509.51.00; specified minimum count and fibre mix) is to which item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995 applies, thereby altering its tariff treatment. The Order takes effect 3 June 2009 and continues until revoked under ss 269SC or 269SD. Importers of that narrowly defined yarn are the parties whose tariff treatment is affected; the delegate and customs administration determine applicability.