Regulations Governing the Establishment of the Advisory Committee in Genetically Modified Foods Article 6

The convener shall be the chairperson, and the vice-convener may be the acting chairperson if the convener fails to attend the meeting. When both convener and vice-convener fail to attend the meeting, the convener may designate one of members as the chairperson, or in a situation where the convener is unable to designate, the chairperson may be elected by all attending members.
中文原文 基因改造食品諮議會設置辦法第6條
本會會議由召集人擔任主席;召集人不克出席時,由副召集人代理之;召集人及副召集人均未能出席時,由召集人指定委員一人為主席;不克指定時,由出席委員互相推舉之。

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