27.—(1) The person in control of a vehicle transporting specified risk material shall ensure that it is conveyed either in an impervious container which contains nothing but specified risk material or in a part of the vehicle which is impervious and contains nothing but specified risk material and which in either case is kept covered at all times except when necessary for loading or unloading or examination by an authorised officer of an enforcement authority.
(2) Any person transporting specified risk material shall ensure that the part of the vehicle in which specified risk material has been conveyed is thoroughly washed and disinfected before any food is subsequently placed in that part of the vehicle.
(3) In this regulation the expression “vehicle” means, in any case in which specified risk material is conveyed in a bulk container, that container.
(4) This regulation shall not apply to the carcase of a sheep or goat transported in accordance with regulation 17.