Legal provisions for mandatory referendums at national level

Cabo Verde
Answer
No
Source
Constitution
REGIME JUR?DICO DO EXERC?CIO DO DIREITO DE PETI??O, Lei n.? 33/IV/97
http://www.parlamento.cv/GDPublicacoes1.aspx?imagemId=19
Comment
There areno provisions for mandatory referendums in the legislation of the country