6.—(1) The carcase weight referred to in paragraph 5(e) of this Schedule shall be the weight in kilograms after chilling, or the warm weight in kilograms as soon as possible after slaughter reduced by two per cent, of the carcase presented after skinning, evisceration and bleeding, and without the head and the feet.
(2) If the carcase is presented without the liver, kidneys or kidney fat its weight shall be increased by—
(a)3.5 kilograms for the liver;
(b)0.5 kilograms for the kidneys; and
(c)3.5 kilograms for the kidney fat.