4.—(1) No person engaged in the movement, lairaging, restraint, stunning, slaughter or killing of animals shall—
(a)cause any avoidable excitement, pain or suffering to any animal; or
(b)permit any animal to sustain any avoidable excitement, pain or suffering.
(2) Without prejudice to paragraph (3), no person shall engage in the movement, lairaging, restraint, stunning, slaughter or killing of any animal unless he has the knowledge and skill necessary to perform those tasks humanely and efficiently in accordance with these Regulations.
(3) Schedule 1 shall have effect in relation to the licensing of slaughtermen.
(4) Parts II and III are without prejudice to the generality of paragraphs (1) and (2).