Besides the Executive, Legislative, and Judiciary Branches of the government, a number of other agencies carry out their respective independent functions.

The Constitutional Court has the right to review whether a specific law is unconstitutional, to judge an appeal for the impeachment of a high-ranking official, and decide on the disbandment of a political party under the Constitution. The Constitutional Court is composed of three judges appointed by the President, three judges appointed by the National Assembly, and three judges appointed by the Supreme Court Chief Justice. The President of the Constitutional Court is appointed by the President with the consent of the National Assembly. The National Election Commission handles matters associated with elections, fair management of referendums, political parties, and political funds. A member of the commission is not allowed to join a specific political party or engage in political activities. Their term is six years. The chairman is elected from among the members.

The National Human Rights Commission of Korea (NHRCK) performs the role of respecting and realizing the dignity and values of human beings as sovereign individuals by protecting and promoting their basic rights. The commission was launched in November 2001 in light of the people’s earnest desire for improvement of the country’s human rights conditions expressed during the democratization process. The commission also handles cases concerning human rights infringement or discrimination involving a foreigner residing or working in the country.