Regulations Governing Investment in Securities by Overseas Compatriots and Foreign Nationals Article 17

An offshore overseas compatriots or foreign national that invests in domestic securities shall designate a bank or securities firm approved by the FSC to act as its custodian institution and to handle related matters, such as custodianship of funds and certificates related to securities investments, confirmation of trades, transaction settlement, and reporting of relevant information. When a securities firm acts as the custodian institution, the funds of its customers shall be deposited in a segregated account opened at a bank approved by the FSC.
中文原文 華僑及外國人投資證券管理辦法第17條
境外華僑及外國人投資國內證券,應指定經金管會核准之銀行或證券商擔任保管機構,辦理有關證券投資之款券保管、交易確認、買賣交割及資料申報等事宜;證券商擔任保管機構者,其客戶之款項應專戶存放於金管會核准之銀行。

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