11.—(1) In the case of any compound feeding stuff for dogs or cats all the ingredients shall be declared in the statutory statement.
(2) In the case of any compound feeding stuff for pet animals other than dogs and cats, the ingredients may be declared in the statutory statement, and in such case all the ingredients shall be declared.
(3) Subject to paragraph 15(2) and paragraph 3 of Chapter B of Schedule 10,, ingredients declared in accordance with sub-paragraph (1) or (2) shall be declared either—
(a)by their specific names, with an indication of the amount of each ingredient; or
(b)by their specific names in descending order by weight; or
(c)by categories, as described in Part I of Schedule 6, in descending order by weight;
and the use of one of those forms of declaration shall preclude the use of either of the others, save where—
(i)the declaration is by categories and any ingredient belongs to none of the categories described in Part I of Schedule 6, in which case that ingredient, designated by its specific name, shall be listed in order by weight in relation to the categories; or
(ii)in the case of a feeding stuff intended for a particular nutritional purpose paragraph 18(2) and paragraph 3 of Chapter B of Schedule 10 require the declaration of any ingredient by its specific name, in which case any ingredient to which those provisions do not apply may be declared by reference to the category to which it belongs.