1. The expression "milk" means full cream milk or partially or completely skimmed milk.
2. For the purposes of heading 04.03, yogurt may be concentrated or flavoured and may contain added sugar or other sweetening matter, fruit, nuts, cocoa, chocolate, spices, coffee or coffee extracts, plants, parts of plants, cereals or bakers' wares, provided that any added substance is not used for the purpose of replacing, in whole or in part, any milk constituent, and the product retains the essential character of yogurt.
3. For the purposes of heading 04.05:
(a) The term "butter" means natural butter, whey butter or recombined butter (fresh, salted or rancid, including canned butter) derived exclusively from milk, with a milkfat content of 80% or more but not more than 95% by weight, a maximum milk solids-not-fat content of 2% by weight and a maximum water content of 16% by weight. Butter does not contain added emulsifiers, but may contain sodium chloride, food colours, neutralising salts and cultures of harmless lactic-acid-producing bacteria.
(b) The expression "dairy spreads" means a spreadable emulsion of the water-in-oil type, containing milkfat as the only fat in the product, with a milkfat content of 39% or more but less than 80% by weight.
4. Products obtained by the concentration of whey and with the addition of milk or milkfat are to be classified as cheese in heading 04.06 provided that they have the three following characteristics:
(a) a milkfat content, by weight of the dry matter, of 5% or more;
(b) a dry matter content, by weight, of at least 70% but not exceeding 85%; and
(c) they are moulded or capable of being moulded.