Juvenile Justice Act Article 18-7

A judicial police officer, in conducting an investigation of a juvenile’s suspected criminal offense, may, when necessary, apply mutatis mutandis relevant provisions on examination of witnesses, forensic examination, search and seizure, evidence preservation, and communication monitoring in the Code of Criminal Procedure or the Communication Security and Surveillance Act so as to directly make a motion or report to the competent juvenile court.
中文原文 少年事件處理法第18-7條
司法警察官因調查少年觸犯刑罰法律之行為,必要時,得準用刑事訴訟法、通訊保障及監察法關於人證、鑑定、搜索、扣押、證據保全及通訊監察之規定,逕向該管少年法院聲請或陳報之。

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