265. Option to company to adopt proportional representation for the appointment of directors.—Notwithstanding anything contained in this Act, the articles of a company may provide for the appointment of not less than two-thirds of the total number of the directors of a public company or of a private company which is a subsidiary of a public company, according to the principle of proportional representation, whether by the single transferable vote or by a system of cumulative voting or otherwise, the appointments being made once in every three years and interim casual vacancies being filled in accordance with the provisions, mutalis mutandis, of section 262. | 