(1) If the Commission considers it necessary or desirable for the purposes of carrying out its functions and exercising its powers under this Act, the Commission may, by notice in writing served on any person, require that person—
(a) to supply to the Commission, by writing signed by that person or, in the case of a body corporate, by a director or competent employee or agent of the body corporate, within the time and in the manner specified in the notice, any information or class of information specified in the notice; or