Enforcement Rules of the Atomic Energy Law Article 17

Those who manufacture a source of plutonium shall obtain the approval of the Atomic Energy Council. Those who possess a source of plutonium shall register it at the Atomic Energy Council.
中文原文 原子能法施行細則第17條
製造鈽輻射源者,應經原子能委員會許可。
其持用者,應向原子能委員會登記。

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