Regulations for Academia Sinica Council Meetings Article 3

The Council shall meet at least once a year, as convened by the Chairperson. When deemed necessary, or upon the request of more than one-third of Council Members, the Chairperson may convene an interim meeting.Council meetings may be conducted in writing or by electronic means. Council Members who cast their votes in writing or electronically shall be deemed present in person.A meeting shall constitute a quorum when more than half of Council Members are present.The Chairperson shall preside over meetings. If the Chairperson is unable to attend, one of Academia Sinica’s Vice Presidents Sinica shall be designated as Acting Chairperson.
中文原文 中央研究院評議會會議規則第3條
評議會每年至少開會一次,由議長召集,遇有必要或經評議員三分之一以上之請求,議長得召集臨時會。
評議會會議得以書面或電子方式行之。
以書面或電子方式行使表決權之評議員,視為親自出席。
評議會開會,以過半數之評議員出席為法定人數。
議長為會議主席,議長因故不能出席時,指定本院副院長一人代理之。

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