The Judicial Police Dispatching Act Article 2

Persons in the following list, who are judicial police officers in their own jurisdiction, have the responsibility of assisting a prosecutor or a judge in performance of their duties:1. Mayor, County Magistrate, Chief of an Administrative Bureau.2. The Director-General of the Police Agency, the Director of the Mobile Police Department, the Commissioner of Police Departments, or the Chief of Police Divisions or officers of higher positions.3. The battalion commander of a military police unit or officers of higher rank.
中文原文 調度司法警察條例第2條
左列各員,於其管轄區域內為司法警察官,有協助檢察官、推事執行職務之責:
一、市長、縣長、設治局長。
二、警察廳長、警保處長、警察局長或警察大隊長以上長官。
三、憲兵隊營長以上長官。

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