Regulations Governing Permission and Administration of Securities and Futures Business Dealings and Investment Between the Taiwan Area and the Mainland Area Article 40

If a Mainland-area securities or futures institution or a Mainland-invested securities or futures institution transfers its shareholdings after making an equity investment in a Taiwan-area securities or futures institution, then it and the transferee shall jointly apply to the competent authority for permission.If the Mainland-area securities or futures institution or Mainland-invested securities or futures institution violates the provisions of the preceding paragraph, the competent authority may revoke its investment permission or make other necessary dispositions.
中文原文 臺灣地區與大陸地區證券期貨業務往來及投資許可管理辦法第40條
大陸地區證券、期貨機構或陸資證券、期貨機構經許可參股投資臺灣地區證券、期貨機構後,轉讓投資持股時,應會同受讓人向主管機關申請許可。
大陸地區證券、期貨機構或陸資證券、期貨機構違反前項規定者,主管機關得廢止投資許可或為其他必要之處置。

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