Enforcement Rules of the Atomic Energy Law Article 37

The period of an operating license shall not exceed 40 years. Within the valid period, the Atomic Energy Council not only notifies the licensee to submit relevant information from time to time, but also may take the following measures for protecting the health and safety of the public.1. To alter the permitted items of a license or cancel a license.2. After obtaining the approval of the Executive Yuan, the Atomic Energy Council may order a licensee to change the structures, systems of other necessary aspects of the reactor as necessary.
中文原文 原子能法施行細則第37條
核子反應器使用執照之期限,不得超過四十年。
於執照有效期間,原子能委員會除得隨時通知檢送有關資料外,為維護公眾健康與安全之必要,並得採行左列措施:
一、變更執照之許可事項或撤銷其執照。
二、經行政院核准後,命持照人變更反應器結構,系統或其他必要之措施。

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