Requirements for a referendum to pass
Montenegro
- Mandatory referendum - qualified majority
- Optional referendum - simple majority
Constitution 2007
https://www.constituteproject.org/constitution/Montenegro_2007.pdf
Article 157: Confirmation in the referendum Change of Articles 1, 2, 3,4, 12, 13, 15, 45 and 157 shall be final if minimum three fifths of all thevoters support the change in the national referendum.
Law on Referendum (2001)
http://www.legislationline.org/documents/id/3934
Article 37
Thedecision in a referendum is taken by a majority vote of the citizens who havevoted, provided that the majority of citizens with voting rights has voted.