The Constitution of the Republic of Korea of July 17, 1948 has since had a number of amendments.
Chapter 6 of the Constitution established the Constitutional Court
Article 11.1 sets out its jurisdiction
"The Constitutional Court shall have jurisdiction over the following matters:
The constitutionality of a law upon the request of the courts;
Impeachment;
Dissolution of a political party;
Competence disputes between central government organs, between central government organs and local governments, and between local governments; and
Constitutional complaint as prescribed by statute."
See also the Constitutional Court Act: August 5, 1988, which has since been amended. (The most recent (as of July 2016) December 21, 2007.)