67The directors may by power of attorney appoint upon such terms (including remuneration) as they think fit any person, or the holder for the time being of any office, to be the attorney or attorneys of the Company for such purposes and with such powers, authorities and discretions (not exceeding those vested in or exercisable by the directors) and for such period and subject to such conditions as they may think fit, and any such power of attorney may contain such provisions for the protection and convenience of persons dealing with such attorney or attorneys as the directors may think fit and may also authorise such attorney or attorneys to delegate all or any of the powers, authorities and discretions vested in him or them.