This order declares that a specific imported product — a skid‑mounted liquid‑additive system (tariff classification 8413.19.00) meeting listed weight, pump, valve and flow specifications — is subject to item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, effective 15 May 2008 until revoked. Mechanically, it alters the tariff treatment importers face for those systems; the decision was made by a delegate of the Chief Executive Officer under s.269P of the Customs Act 1901 and may be revoked under ss.269SC–269SD.