Company Act Article 62

Any one who is not a shareholder, but leads other to believe that he is a shareholder, shall have the liabilities vis-a-vis a bona fide third person as though he were a shareholder.
中文原文 公司法第62條
非股東而有可以令人信其為股東之行為者,對於善意第三人,應負與股東同一之責任。

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