This Order, effective 5 June 2009, applies Item 50 of Part III of Schedule 4 of the Customs Tariff Act 1995 to imports classified at tariff 3824.90.90 described as methacrylic acid and its esters. Mechanically it makes those imports eligible for the Schedule 4 concession, reducing or removing customs duty. It affects importers (lowering import costs), the Commonwealth (reduced tariff receipts) and customs officials (applying the concession); it was made by a CEO delegate under s.269P and is revocable under ss.269SC–269SD.