The Commercial Port Law Article 24

A nuclear ship or a ship carrying nuclear materials shall not enter the port in the absence of prior approval by the Atomic Energy Administration Authority.The ship mentioned in the preceding paragraph shall accept the inspection by the Maritime and Port Bureau if necessary. If it is likely to cause dangers to public security, the master shall react immediately, and notify, in a priority method, the Commercial Port Administrative Authority, Maritime and Port Bureau or the designated agencies for taking urgent measures.
中文原文 商港法第24條
裝有核子動力之船舶或裝載核子物料之船舶,非經原子能主管機關核准,不得入港。
前項船舶應接受航港局認為必要之檢查,其有危及公共安全之虞者,船長應立即處理,並以優先方法通知商港經營事業機構、航港局或指定機關採取緊急措施。

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