Securities and Exchange Act Article 127

The stock of a company-type stock exchange shall not be listed for trading on its own centralized securities exchange market or one established by any other person.
中文原文 證券交易法第127條
公司制證券交易所發行之股票,不得於自己或他人開設之有價證券集中交易市場,上市交易。

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