Legal provisions for optional referendums at 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 IV. The Executive
Section 1. The President
Article 72 (Optional referendum)
The President may submit importantpolicies relating to diplomacy, national defense, unification, and othermatters relating to the national destiny to a national referendum if he deemsit necessary.