7.—(1) Subject to paragraph (2), it shall be the duty of the occupier of any animal by-products premises to ensure that any animal by-product is sterilised or stained immediately after skinning of the carcase or, if the carcase is eviscerated immediately after skinning, immediately after evisceration or, if the carcase is cut up immediately after evisceration or is brought into the premises already eviscerated, immediately after cutting up is completed.
(2) The requirement imposed by paragraph (1) shall not apply to any animal by-product—
(a)which is placed in a room and in a receptacle designed to hold animal by-products awaiting sterilisation and bearing a notice that its contents are to be sterilised on the premises and which is then sterilised there; or
(b)which is intended to be removed from the animal by-products premises in accordance with regulation 10(3), and which is placed in a room and in a receptacle designed to hold animal by-products awaiting sterilisation.
(3) Any animal by-product which is placed in a receptacle as referred to in paragraph (2) shall be sterilised or removed from the animal by-products premises in accordance with regulation 10(3) as soon as is reasonably practicable.