Issues in relation to which referendums are mandatory at the national level

Constitution

http://www.icrc.org/ihl-nat.nsf/162d151af444ded44125673e00508141/1437105f604ce363c1257082003ea54a/$FILE/Constitution%20Cape%20Verde%20-%20POR.pdf

REGIME JUR?DICO DO EXERC?CIO DO DIREITO DE PETI??O, Lei n.? 33/IV/97

http://www.parlamento.cv/GDPublicacoes1.aspx?imagemId=19

There areno provisions for mandatory referendums in the legislation of the country