The Judicial Police Dispatching Act Article 7
When requesting assistance or giving orders, the prosecutor or the judge may put it in writing, give commands verbally along with the showing of a command badge, or if necessary, give commands over the telephone.
中文原文 調度司法警察條例第7條
檢察官、推事請求協助或為指揮命令時，得以書面或提示指揮證以言詞行之；必要時得以電話行之。