The Nuclear Materials and Radioactive Waste Management Act Article 23

For the permanent cease of operation of treatment, storage (and/)or final disposal facilities of radioactive waste, the operator shall prepare a decommission plan and shall implement it after the same has been reported to and approved by the competent authorities.For the closure of the final disposal facilities of radioactive waste, the operator shall prepare the closure plan and the institutional control plan and shall implement the same after they have been reported to and approved by the competent authorities.During the implementation period of the plan(s) referred to the in preceding two (2) Paragraphs, the competent authorities may dispatch the inspector(s) to inspect the same at anytime; after the completion of the plan(s), the operator shall report it to the competent authorities for inspection.Where the facilities referred to in Paragraph 1 has ceased operating for more than one (1) year consecutively but the operator does not report it to the competent authorities for approval, it shall be deemed as the permanent cease of operation; and the decommission procedure shall follow the prescription of Paragraph 1.The decommission referred to in Paragraph 1 shall be completed within fifteen (15) years of the permanent cease of operation.