Act Governing Relations with Hong Kong and Macau Article 30

Individuals, juridical persons, organizations or other institutions of the Taiwan Area engaged in investment or technological cooperation in Hong Kong or Macau shall deal with the Ministry of Economic Affairs or other relevant agencies when applying for necessary permits or submitting required materials. The rules for this shall be formulated by the Ministry of Economic Affairs together with other concerned agencies and submitted to the Executive Yuan for approval and subsequent promulgation.
中文原文 香港澳門關係條例第30條
臺灣地區人民、法人、團體或其他機構在香港或澳門從事投資或技術合作,應向經濟部或有關機關申請許可或備查;其辦法由經濟部會同有關機關擬訂,報請行政院核定後發布之。

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