Administrative Regulations on the Establishment and Operation of the Dedicated Taxi Radio Station Article 20

Where the person who established the Stations applies for entering into the security alliance for public order, it shall be given the district name and Station number upon receipt of the approval from the municipality (county/ city) police agency, with whose regulations it shall comply in regard to communication relevant matters.
中文原文 計程車專用無線電臺設置使用管理辦法第20條
電臺設置者申請參與治安聯防,經直轄市、縣(市)警察局同意後,賦予行政區之名稱及電臺編號,其通訊連絡事宜由直轄市、縣(市)警察局規定之。

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