5.—(1) In premises producing feeding stuffs for animals whose flesh is not intended for human consumption there shall be a clean area and an unclean area, adequately separated. The unclean area shall be easy to clean and disinfect. It shall have a covered place (the reception area) to receive and store the untreated animal by-products.
(2) Untreated animal by-products shall be unloaded in the reception area and either—
(a)treated immediately; or
(b)stored in suitable containers in the reception area and treated without undue delay.
(3) Treated animal by-products shall be handled and stored in a clean area in such way as to prevent recontamination. Treated animal by-products shall not be allowed to come into contact with any untreated animal by-products.