(1) Where a person authorises any other person ("the agent") to acquire or dispose of, on his behalf, interests in shares comprised in relevant share capital of a public limited company, he shall secure that the agent notifies him immediately of acquisitions or disposals of interests in shares so comprised effected by the agent which will or may give rise to any obligation on his part to make a notification under this Chapter with respect to his interest in that share capital.
(2) An obligation to make any notification imposed on any person by this Chapter shall be treated as not being fulfilled unless the notice by means of which it purports to be fulfilled identifies him and gives his address, and in a case where he is a director or secretary of the company, is expressed to be given in fulfilment of that obligation.
(3) Where a person -
(a) fails to fulfil, within the proper period, an obligation to make any notification required by this Chapter; or
(b) in purported fulfilment o