Nuclear Reactor Facilities Regulation Act Article 22

As to the decommissioning of nuclear reactor facilities, the radiation dose in the site of dismantled facilities shall comply with the standards prescribed by the competent authority.
中文原文 核子反應器設施管制法第22條
核子反應器設施之除役,其拆除後之廠址輻射劑量,應符合主管機關所定之標準。

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