Organization Act of Coast Guard Administration, Ocean Affairs Council Article 5

The subordinate agencies of the CGA and their functions shall be as follows:1.Branches: Implementation of maritime and coastal guarding affairs within their respective jurisdictions.2.Investigation Branch: Implementation of criminal investigations and security affairs in waters and coastal areas.
中文原文 海洋委員會海巡署組織法第5條
本署之次級機關及其業務如下:
一、各地區分署:執行轄區之海域及海岸巡防事項。
二、偵防分署:執行海域、海岸犯罪及安全調查事項。

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