Regulations Governing Foreign Exchange Business of Securities Enterprises Article 30

When a securities enterprise trades foreign bonds as an agent, payment shall be remitted by the buyer directly into an account designated by the foreign financial institution. The receipt/payment for investment, redemption, and settlement, fees charged by the foreign financial institution and other fees shall be made in foreign currency.
中文原文 證券業辦理外匯業務管理辦法第30條
證券業辦理代理買賣外國債券業務,其交割款項應由買受人直接匯入國外金融機構指定帳戶,款項交付投資、領回、交割、國外費用或其他費用之收付,均應以外幣為之。

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