| ARTICLES 
              ABOUT INTERNATIONAL TREATIES, REFERENDUM AND CONSTITUTIONAL AMENDMENTS Regulation 
              about a special transfer of sovereignty to EU: none
  Approval 
              of transfer of sovereignty without effect of constitutional amendment: 
              Majority of votes from both chambers, Art. 80, 72 ConstItaly.
  Approval 
              of transfer of sovereignty with effect of constitutional amendment: 
              Not expressly regulated, but constitutional amendment required.
  Approval 
              of constitutional amendment: Two successive approvals from both chambers in between at least 
              three months with majority of votes in the first voting and the 
              majority of their members in the second, Art. 138 ConstItaly. Referendum 
              on the constitutional amendment is mandatory if demanded by 1/5 
              of the members of one of the chambers or 500.000 of the electorate 
              or 5 members of the council of regions but excluded if approval 
              of the chambers in the second voting was given by a majority of 
              more than 2/3 of their members. Limit for an amendment is the republican 
              form of state, Art. 139 ConstItaly.
  Other 
              constitutional regulations about referendums: An initiative referendum is possible, Art. 71 ConstItaly. A referendum 
              on laws can be held but expressly not on ratification treaties, 
              Art. 75 ConstItaly. Referendum also foreseen on amalgamation, incorporation 
              and seperation of regions, provinces and townships, Art. 132 ConstItaly.
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