Regulations Governing Procedure for Board of Directors Meetings of Public Companies Article 15

Except as otherwise stated in the Act or in the Company Act, a resolution on a matter at a board of directors meeting requires the approval of a majority of the directors present at the meeting that shall be attended by a majority of all directors.
中文原文 公開發行公司董事會議事辦法第15條
董事會議案之決議,除本法及公司法另有規定外,應有過半數董事之出席,出席董事過半數之同意行之。

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