Regulations Governing the Banking Activity and the Establishment and the Investment by Financial Institution Between the Taiwan Area and the Mainland Area Article 71

If deemed necessary, the Competent Authority may order a branch of Mainland bank to submit a report or information on the business or financial conditions of its head office.
中文原文 臺灣地區與大陸地區金融業務往來及投資許可管理辦法第71條
主管機關於必要時,得令大陸銀行分行提出其總行之業務或財務狀況之報告或資料。

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