free trade agreement between the efta states and the republic of serbia

- 13 -HS HeadingDescription of ProductWorking or Processing, Carried out on Non-Originating Materials,Which Confers Originating Status(1) (2) (3) or (4)ex 2519ex 2520Crushed natural magnesiumcarbonate (magnesite), inhermetically-sealed containers,and magnesium oxide, whetheror not pure, other than fusedmagnesia or dead-burned(sintered) magnesiaPlasters specially prepared fordentistryManufacture from materials ofany heading, except that of theproduct. However, naturalmagnesium carbonate(magnesite) may be usedManufacture in which thevalue of all the materials useddoes not exceed 50 % of theex-works price of the productex 2524 Natural asbestos fibres Manufacture from asbestosconcentrateex 2525 Mica powder Grinding of mica or micawasteex 2530Earth colours, calcined orpowderedCalcination or grinding ofearth coloursChapter 26 Ores, slag and ash Manufacture from materials ofany heading, except that of theproductex Chapter 27ex 2707ex 2709Mineral fuels, mineral oils andproducts of their distillation;bituminous substances; mineralwaxes; except for:Oils in which the weight of thearomatic constituents exceedsthat of the non-aromaticconstituents, being oils similarto mineral oils obtained bydistillation of high temperaturecoal tar, of which more than65 % by volume distils at atemperature of up to 250 °C(including mixtures ofpetroleum spirit and benzole),for use as power or heatingfuelsCrude oils obtained frombituminous mineralsManufacture from materials ofany heading, except that of theproductOperations of refining and/orone or more specificprocess(es) ( 1 )orOther operations in which allthe materials used areclassified within a headingother than that of the product.However, materials of thesame heading as the productmay be used, provided thattheir total value does notexceed 50 % of the ex-worksprice of the productDestructive distillation ofbituminous materials1For the special conditions relating to "specific processes", see Introductory Notes 7.1 and 7.3.