TCO 1104808 declares that specific parts for a submerged-arc-furnace smoke hood (panels; side skirts; lifting doors), classified at 8514.90.00, are to which Part III, Schedule 4 (item 50) of the Customs Tariff Act 1995 applies. It takes effect from 2 Feb 2011 and continues until revoked.
Mechanically, the Order applies the tariff treatment set out in Schedule 4 (Part III, item 50) to those imported parts, changing the customs duty payable by importers. The Order is made under s269P of the Customs Act 1901 and may be revoked under ss269SC or 269SD.