The corporation shall, at all times, keep a list of its members and their proxies in the form the Commission may require. The list shall be updated to reflect the members and proxies of record twenty (20) days prior to any scheduled election. The bylaws may provide that the members of a nonstock corporation may hold their regular or special meetings at any place even outside the place where the principal office of the corporation is located: Provided, That proper notice is sent to all members indicating the date, time and place of the meeting: Provided, further, That the place of meeting shall be within Philippine territory.