(1) A national of the Republic of Korea who voluntarily acquires the nationality of a foreign country shall lose the nationality of the Republic of Korea at the time when he or she acquires the foreign nationality.
(2) Any of the following nationals of the Republic of Korea shall be deemed to have lost his or her nationality of the Republic of Korea retroactively from the time of acquisition of the foreign nationality, if he or she fails to declare his or her intention to retain the nationality of the Republic of Korea to the Minister of Justice within six months after acquisition of the foreign nationality:
1. A person who has acquired the same nationality as his or her spouse, through marriage to an alien;
2. A person who has acquired the nationality of an adoptive father or mother through adoption by an alien;
3. A person who has acquired the nationality of father or mother through acknowledgment his or her by a foreign father or mother;
4. A minor or the spouse of a person who has lost the nationality of the Republic of Korea through the acquisition of a foreign nationality, and has concurrently acquired the foreign nationality under Acts of the foreign country.
(3) With respect to a person who has lost the nationality of the Republic of Korea due to the acquisition of that of a foreign country, where the date of acquisition of the nationality of the foreign country is unknown, the date his or her foreign passport was first issued shall be deemed to be the date he or she acquired the nationality of the foreign country.
(4) Procedures for reporting under paragraph (2) and other necessary matters shall be prescribed by Presidential Decree.[This Article Wholly Amended on Mar. 14, 2008]