This Order makes a specific polypropylene yarn (tariff heading 5509.42.00: two‑ply ring‑spun, tenacity not less than 29 cN/tex) subject to item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, effective 21 June 2010. Mechanically, it changes the tariff treatment applied to imports of that defined yarn. The instrument is made by a delegate of the CEO under s269P (signed Michael Perry) and continues until revoked under ss269SC or 269SD; importers must meet the product description and classification to receive the Schedule 4 treatment.