Company Act Article 213

In case of a lawsuit between the company and a director, the supervisor shall act on behalf of the company, unless otherwise provided by law; and the meeting of shareholders may also appoint some other person to act on behalf of the company in a lawsuit.
中文原文 公司法第213條
公司與董事間訴訟,除法律另有規定外,由監察人代表公司,股東會亦得另選代表公司為訴訟之人。

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