Issues in relation to which referendums are mandatory at the national level

Korea, Republic of
CONSTITUTION OF THE REPUBLIC OF KOREA
(Adopted1948; last amended 1987)
http://www.ccourt.go.kr/home/att_file/download/Constitution_of_the_Republic_of_Korea.pdf
(Originaltext: http://www.law.go.kr/lsInfoP.do?lsiSeq=61603)
Chapter X. Amendments to the Constitution
Article 128
(1)A proposal to amend the Constitution shall be introduced either by a majorityof the total members of the National Assembly or by the President.
(2)Amendments to the Constitution for the extension of the term of office of thePresident or for a change allowing for the reelection of the President shallnot be effective for the President in office at the time of the proposal forsuch amendments to the Constitution.
Article 129
Proposedamendments to the Constitution shall be put before the public by the Presidentfor twenty days or more.
Article 130
(1) The National Assembly shall decide upon the proposedamendments within sixty days of the public announcement, and passage by theNational Assembly shall require the concurrent vote of two thirds or more ofthe total members of the National Assembly.
(2) Theproposed amendments to the Constitution shall be submitted to a nationalreferendum not later than thirty days after passage by the National Assembly,and shall be determined by more than one half of all votes cast by more thanone half of voters eligible to vote in elections for members of the NationalAssembly.
(3) When the proposed amendments tothe Constitution receive the concurrence prescribed in paragraph (2), theamendments to the Constitution shall be finalized, and the President shallpromulgate it without delay.
Article129 requires the President to inform the public about the proposed amendmentfor a minimum of 20 days. Article 130(2) provides for the referendum.