Regulations Governing Permission for Establishment of Branch Units and Subsidiaries in Hong Kong and Macau by Taiwan-area Insurance Institutions Article 7

A Taiwan-area insurance institution intending to establish a branch unit or subsidiary in Hong Kong or Macau shall submit an establishment application to the competent authority for insurance in Hong Kong or Macau within six months after the Competent Authority grants approval.Where an institution fails to submit an application to the competent authority for insurance in Hong Kong or Macau within the time period specified in the preceding paragraph, or where the competent authority for insurance in Hong Kong or Macau does not grant approval within six months after the application is submitted, the Competent Authority may revoke its approval, provided that where there is a legitimate reason the institution may, prior to the end of the period set forth in the preceding paragraph, apply to the Competent Authority for an extension.
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7條
臺灣地區保險機構在香港或澳門設立分支機構或子公司,應於經主管機關許可後六個月內,向香港或澳門保險主管機關提出設立申請。
未依前項規定期限內向香港或澳門保險主管機關提出申請,或於提出申請後六個月內未經香港或澳門保險主管機關核准者,主管機關得廢止其許可。
但有正當理由者,得在前項期限屆滿前,向主管機關申請延展。

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