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Nationality
Individuals with multiple nationality who choose the nationality of the Republic of Korea must declare their intention at the jurisdictional immigration office.
Procedure for nationality selection
- Individuals who became multiple nationals before turning 20 years old must, before turning 22, renounce their foreign nationality or pledge not to exercise their foreign nationality in the Republic of Korea, while those who became multiple nationals after turning 20 must do so within 2 years (hereinafter “pledge not to exercise foreign nationality”), and declare their intention to choose the nationality of the Republic of Korea to the Minister of Justice (Article 13(1) and the main body of Article 12(1) of the Nationality Act).
- Multiple nationals wishing to choose the nationality of the Republic of Korea after the aforementioned period can only declare their intention to the Minister of Justice if they have renounced their foreign nationality. However, those who have completed or are deemed to have completed their service in active duty, full-time reserve, supplementary, or alternative service can declare their intention to choose the nationality of the Republic of Korea to the Minister of Justice within 2 years after renouncing their foreign nationality or after taking the pledge not to exercise foreign nationality (see Articles 13(2) and 12(3) of the Nationality Act).
How to report
- Individuals (limited to those aged 15 and above) must make the nationality selection report personally (the main body of Article 25-2(1) of the Enforcement Decree of the Nationality Act).
- For individuals under 15 years old, a legal representative can report on their behalf, and the report form must include the representative’s name and address. In addition, the documents proving the relationship with the reporting person must be attached (Article 19 of the Nationality Act; Article 25-2(2) of the Enforcement Decree of the Nationality Act).
Required documents
- Individuals with multiple nationality wishing to declare their intention to choose the nationality of the Republic of Korea, after completing the procedure for renouncing or losing their foreign nationality, must submit the following documents to the head of an immigration office, the head of a local immigration office, the head of a branch office of an immigration office, or the head of a branch office of a local immigration office (hereinafter “office head, etc.”), or after taking the pledge not to exercise foreign nationality, they must submit the following documents to the office head, etc. (Article 17(2) and Subparagraph 6 of Article 29 of the Enforcement Decree of the Nationality Act; Article 11 and attached Form 7 of the Enforcement Rules of the Nationality Act):

Required Documents 

▪ Report on choice of nationality 

▪ Certificate of family relationship records 

▪ Documents proving the fact and date of renouncing foreign nationality or a pledge not to exercise foreign nationality 

▪ Documents proving the reason and date of acquiring foreign nationality and a copy of the foreign passport 

▪ Military-related documents proving that one has completed or is deemed to have completed service as active duty, full-time reserve, supplementary, or alternative service (only applicable to those who have made a pledge not to exercise foreign nationality) 

▪ Documents designated by the Minister of Justice proving that at the time of birth, the mother did not reside in a foreign country to have her child acquire a foreign nationality (only applicable to those who have pledged not to exercise foreign nationality) 

※ If the submitted documents concerning the report above are in a foreign language, they must be accompanied by a translation, including the translator’s name and contact details (Article 16 of the Enforcement Rules of the Nationality Act).
- If the person intending to make the above report resides overseas, they can submit documents through the head of diplomatic missions abroad (referring to embassies, delegations, and general consulates) with jurisdiction over their address (Article 25(1)6 of the Enforcement Decree of the Nationality Act; Article 2 of the Act on the Establishment of Diplomatic Missions Abroad of the Republic of Korea).
※ For detailed documents required for the Nationality Selection Report, please check the <Hi Korea website> or contact the Foreigner’s Comprehensive Information Center (☎1345).