(1) An enforcement agency has the powers and functions in relation to the administration of this Act that are conferred or imposed on it by or under this Act or are delegated to it under this Act.
(2) An enforcement agency may exercise its powers and perform its functions under this Act by an authorised officer appointed by the enforcement agency or, in the case of an enforcement agency other than the Chief Health Officer, any other person employed or engaged by the enforcement agency.
(3) An enforcement agency other than the Chief Health Officer must not delegate a power or function conferred or imposed on it by this Act.