Document Legalization Act for the Ministry of Foreign Affairs and Overseas Missions Article 25

Except where otherwise stipulated by law, the provisions set forth in this Act shall apply mutatis mutandis to institutes and organizations in Hong Kong or Macao authorized by the Executive Yuan when conducting document legalization.
中文原文 外交部及駐外館處文件證明條例第25條
行政院於香港或澳門設立或指定之機構或委託之民間團體辦理文件證明業務,除法律另有規定外,準用本條例之規定。

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