Company Act Article 55

A shareholder, without the unanimous consent of all other shareholders, shall not transfer to another person all or a part of his contribution to the capital of the company.
中文原文 公司法第55條
股東非經其他股東全體之同意,不得以自己出資之全部或一部,轉讓於他人。

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