Administrative Regulations on the Establishment and Operation of Dedicated Telecommunications, and the Connection of Dedicated Telecommunications to Public Communication System Article 12

The competent authority shall assign the frequency, power, call sign, and mode of transmission of the dedicated radio telecommunications according to its characteristic. Permission from the competent authority shall be obtained for operation or alteration of the aforementioned items.For overall development of telecommunications and information, if necessary, the competent authority may adjust frequencies in use or request equipment upgrade by carriers or users. Such adjustments or requests shall not be refused, nor shall compensation be demanded.
中文原文 專用電信設置使用及連接公共通信系統管理辦法第12條
專用無線電信之頻率、電功率、呼號、發射及傳輸方式,由主管機關視其性質分別指配,非經核准,不得使用或變更。
主管機關為整體電信及資訊發展之需要,必要時得調整使用頻率或要求更新設備,業者及使用者不得拒絕或請求補償。

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