If that ' s the road they ' re taking we ' ve only just begun . After they make their recommendations they still have to choose the potential options , write up the question , set the date , and then the fun of campaigning begins . So far only the NDP have expressed interest in a specific system , MMP . The Liberals were trying to keep their preferences under wraps , and the CPC has been mostly concerned with getting a referendum . If they all back referendum they ' ll all start pushing for their desired system and trying to convince Canadians . We haven ' t had a national referendum in 24 years so that ' ll be interesting . Edit then of course there ' s arguing about what defines a victory . Things like voter turnout , minimum support levels , regional support etc will need to be debated . For example despite winning a ' yes ' vote the prohibition referendum died because while other provinces strongly wanted prohibition , Quebec didn ' t . So the feds decided not to do anything . And on that note , as May and other experts have pointed out a few times , our legislation on referendums is very out of date , and calling one isn ' t as simple as you ' d think . c h e c k c a n t h e l i b e r a l s c a l l a r e f e rendumonelectoralreformIf nothing else things would be interesting , and we ' l finally be able to stop inferring things off vague sound bytes .