(1) Subject to the provisions of this section a person who, at the commencement of this section is a director or secretary of a company and is then interested in shares in, or debentures of, the company or any other body corporate, being the company's subsidiary or holding company or a subsidiary of the company's holding company or thereafter becomes a director or secretary of a company and, at the time when he becomes a director or secretary of a company, is so interested, shall notify the company in writing -
(a) of the subsistence of his interests at that time, and
(b) of the number of shares of each class in, and the amount of debentures of each class of, the company or any such other body corporate as aforesaid in which each interest of his subsists at that time.
(2) A director or secretary of a company shall notify the company in writing of the occurrence, while he is a director or secretary, of any of the following events and the date on which it occurred -
(a) any event in