Regulations Governing the Establishment and Assistance of Overseas Taiwan Schools Article 12

If the post of chairperson or of any director becomes vacant during the current board term, the board shall appoint a replacement director or elect a replacement chairperson.A chairperson or any director elected or appointed as a replacement during a board term shall only fill that post for the remainder of the original incumbent’s term.Within thirty days after completing the election of a replacement chairperson or the appointment of any replacement director, the board of directors shall submit the related material to the overseas mission with jurisdiction to forward to the MOE for ratification.The chairperson and directors are not permitted to concurrently hold the position of principal or play any other administrative role within the school.
中文原文 海外臺灣學校設立及輔導辦法第12條
董事長、董事於任期中出缺時,董事會應於出缺後一個月內,補選聘董事或推選董事長。
董事長、董事於任期中推選、補選者,均以補足原任者之任期為限。
董事會應於完成董事長推選或董事補選聘程序後三十日內,檢具相關資料,報轄區駐外館處轉本部核定。
董事長、董事不得兼任校長及校內其他行政職務。

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