The Nuclear Materials and Radioactive Waste Management Act Article 18

Even after the completion of the construction of treatment, storage (and/)or final disposal facilities of radioactive waste, the facilities shall not be formally operated, until the competent authorities have approved and issued an operation license thereof.The valid period of the license referred to in the preceding Paragraph 1 shall be prescribed by the competent authorities; and when there is need to continue operation after the license is expired, an application shall be filed two (2) years prior to expiration thereof with the competent authorities for renewing the license thereof. The operation thereof shall not be continued without the renewal of license as per the prescription.Paragraph 1 of the preceding Article is applicable, mutatis mutandis, to the issuance and(/or) the renewal of an operation license.