Securities and Exchange Act Article 98

The business of a stock exchange shall be to operate and provide a centralized securities exchange market. A stock exchange shall not operate other businesses nor invest in any other enterprise without the approval of the Competent Authority.
中文原文 證券交易法第98條
證券交易所以經營供給有價證券集中交易市場為其業務,非經主管機關核准,不得經營其他業務或對其他事業投資。

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