Legal provisions for optional referendums at national level

Kuwait
Article 174
?(1) The Emir or one-third of the members of the National Assemblyhave the right to propose a revision of the Constitution by amending ordeleting one or more of its provisions or by adding new provisions.
(2) If the Emir and the majority of the members constituting theNational Assembly approve the principle of revision and its subject matter, theAssembly debates the bill Article by Article. Approval by a two-thirds majorityvote of the members constituting the Assembly is required for the bill to be passed.The revision comes into force only after being sanctioned and promulgated bythe Emir regardless of the provisions of Articles 65 and 66.
(3) If the principle of revision or its subject matter isrejected, it may not be presented again before the lapse of one year from therejection.?