This Order, made under section 269P of the Customs Act 1901, declares that specific sheets or strips of grain‑oriented silicon electrical steel (cold‑rolled, in coil or sheet form, width under 600 mm) are covered by Part III, Schedule 4, Item 50 of the Customs Tariff Act 1995 from 13 February 2009. Mechanically, it changes the tariff treatment for imports meeting that description. It principally affects importers who must meet the description to claim the Schedule 4 treatment and customs officials who enforce classification and measurement requirements (ss.269P, 269SC–269SD).