Regulations Governing Permission for Establishment of Branch Units and Subsidiaries in Hong Kong and Macau by Taiwan-area Insurance Institutions Article 6

Where facts indicate after an application by a Taiwan-area insurance institution to establish a branch unit or subsidiary in Hong Kong or Macau has been approved by the Competent Authority that the business applied for is likely to hinder sound business operations, or that the business is not in compliance with the requirements of insurance supervision, the Competent Authority, if deemed necessary, may revoke the approval.
中文原文 臺灣地區保險機構在香港澳門設立分支機構子公司許可辦法第6條
臺灣地區保險機構申請在香港或澳門設立分支機構或子公司,經主管機關許可設立後,有事實顯示有礙健全經營業務之虞或未能符合保險監理之要求者,主管機關於必要時得廢止之。

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