Organization Act of the Coast Guard Administration, Executive Yuan Article 18

The positions of the civil officials with the ranks and grades stated in Article 13 ~16 may be selected and recruited from the Police personnel with the same ranks and grades.The business series of the civil officials with the ranks and grades stated in Article 12 ~17 shall comply with Article 8 of the "Public Functionaries Appointment Act".
中文原文 行政院海岸巡防署組織法第18條
第十三條至第十六條所定列有官等、職等之文職人員,得就官階相當之警察人員派充之。
第十二條至第十七條所定列有官等、職等之文職人員,其職務所適用之職系,依公務人員任用法第八條之規定,就有關職系選用之。

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