(1) In this section and sections 118 and 121, "authorised person" means a person approved by the Director to be an authorised person for the purposes of this Part being - (a) the manager, however described, of a recognised stock exchange, or (b) a person nominated by a relevant authority of a recognised stock exchange.
(2) Where an alleged offence under this Part is investigated by an authorised person, the relevant authorities of the recognised stock exchange concerned shall be under a general duty to ensure that potential conflicts of interest are avoided, as far as possible, on the part of any such authorised person.
(3) For the purpose of obtaining any information necessary for the exercise by a relevant authority of such exchange of the function referred to in section 115, an authorised person may, on production of his authorisation if so required, require any person whom he or such relevant authority has reasonable cause to believe to have dealt in securities, or to ha