This Tariff Concession Order applies Schedule 4, item 50 of the Customs Tariff Act 1995 to imports classified at tariff heading 5509.51.00 — poly‑viscose yarn containing at least 50% polyester — effective 12 August 2009 (Order Table; s269P Customs Act). Importers obtain concessional tariff treatment (reducing import duty and shifting compliance focus to correct classification); the CEO’s delegate (Paul Mercer) issued the order and it remains in force until revoked under ss269SC–269SD (Order footer/Table).