Organization Regulations for the Copyright Regulatory and Mediation Board of the Intellectual Property Office, Ministry of Economic Affairs Article 5

Meetings of the Committee shall be convened and presided over by the chair. In the event that the chair is unable to attend a meeting, the chair shall designate one member to chair the meeting.
中文原文 經濟部智慧財產局著作權審議及調解委員會組織規程第5條
本會會議由主任委員召集並為會議主席,主任委員因故不能出席時,由主任委員指定委員一人為主席。

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