It must be voted on by the lower house , signed by Uruguay 's president . Catholic Church has fiercely opposed the proposal . Left - wing groups say it 's a matter of recognizing inherent human rights . If approved , Uruguay would become the second Latin American country to legalize same - sex marriage .
Measure must be voted on by the lower house , signed by Uruguay 's president . Catholic Church has fiercely opposed the proposal . Left-wing lawmakers say it 's a matter of recognizing inherent human rights . If approved , Uruguay will become the second Latin American country to legalize same-sex marriage .