This Order treats a specified polyethersulfone resin (20% glass‑filled pellets meeting listed numeric physical specifications) as covered by item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, effective 15 April 2009 until revoked.
That mechanically lets eligible importers claim the Schedule 4 concession when clearing customs; a delegate of the CEO decides eligibility under s269P of the Customs Act 1901. Affected parties include importers and manufacturers using the resin; compliance requires meeting the numeric specifications set out in the Table.