Manufacture from materials of any heading, except that of the product, in which: the weight of the materials of chapter 2, chapter 3 and chapter 16 used does not exceed 20% of the weight of the final product, and the weight of the materials of heading 1006 and heading 1101 to heading 1108 used does not exceed 20% of the weight of the final product, and - the individual weight of sugar and of the materials of chapter 4 used does not exceed 40% of the weight of the final product, and.