Regulations Governing Procedure for Board of Directors Meetings of Public Companies Article 9

When a meeting of the board of directors is held, an attendance book shall be made ready for signature by directors attending the meeting and thereafter made available for future reference.All board directors shall attend board meetings in person; if attendance in person is not possible, they may, pursuant to the company's articles of incorporation, appoint another director to attend as their proxy. Attendance via tele- or video-conference is deemed as attendance in person.A director appointing another director to attend a board meeting in his or her place shall in each case give to that director a written proxy stating the scope of authorization with respect to the reasons for meeting.A proxy under paragraph 2 may accept a proxy from one person only.
中文原文 公開發行公司董事會議事辦法第9條
召開董事會時,應設簽名簿供出席董事簽到,並供查考。
董事應親自出席董事會,如不能親自出席,得依公司章程規定委託其他董事代理出席;如以視訊參與會議者,視為親自出席。
董事委託其他董事代理出席董事會時,應於每次出具委託書,並列舉召集事由之授權範圍。
第二項代理人,以受一人之委託為限。

English translation for reference only; the Chinese text prevails. Not legal advice.