15.—(1) Subject to paragraphs (3) and (4), where a compound ingredient is used in the preparation of a food, the names of the ingredients of the compound ingredient shall be given in the list of ingredients of the food either instead of or in addition to the name of the compound ingredient itself.
(2) If the name of a compound ingredient is given, it shall be immediately followed by the names of its ingredients in such a way as to make it clear that they are ingredients of that compound ingredient.
(3) The names of the ingredients of a compound ingredient need not be given in a case where the compound ingredient would not be required to be marked or labelled with a list of ingredients if it were itself being sold prepacked as a food.
(4) The names of the ingredients of a compound ingredient need not be given in a case where—
(a)the compound ingredient is identified in the list of ingredients by a generic name in accordance with regulation 14(4), or
(b)the compound ingredient constitutes less than 25 per cent of the finished product, except that, subject to regulation 17, any additive which is an ingredient of such a compound ingredient shall be named in the list of ingredients in accordance with paragraph (2).