18F. Powers of authorised officers.
(a)The powers conferred by this section may be exercised in respect of any person to whom this section applies for the purposes of -
(i) securing the enforcement of the provisions of this Act (including any regulations made under this Act), or
(ii) enabling or assisting the Minister or the Authority to perform any of their respective functions under this Act.
(b) Subject to subsection (6), the following are persons to whom this section applies (whether they are within or outside the State):
(i) a registered undertaking;
(ii) a former registered undertaking;
(iii) a person who has applied for registration in the Register;
(iv) a person whom the the Authority or an authorised officer reasonably believes is or has been acting as, or claiming or holding itself out to be, a registered undertaking;