4.—(1) No person may stun or slaughter an animal without restraining it in an appropriate manner in such a way as to spare the animal avoidable pain, distress or suffering.
(2) Without prejudice to the generality of sub-paragraph (1), the business operator of a slaughterhouse and any person engaged in the stunning or slaughter of any animal must ensure that any animal which is to be stunned or slaughtered by mechanical means applied to the head is presented in such a position that the equipment can be applied and operated easily, accurately and for the appropriate time.