The Composite Goods Order 1957
Whereas it appears to the Treasury on the recommendation of the Commissioners of Customs and Excise that, as regards composite goods of any class or description specified in this Order which are chargeable in respect of an article contained in them as part or ingredient with the respective duties of customs so specified, it is inconvenient, and of no material advantage to the revenue or to importers of goods of any such class or description, to charge duty according to the quantity of the art...