 Several days after Labor's victory, the Second Andrews Ministry was sworn in by the Governor and was notable for featuring an equal number of men and women.The following week the Liberal Party elected Michael O'Brien leader of the party and Opposition Leader in the new parliament, after Matthew Guy had announced earlier he would stand down from the position.Victoria has compulsory voting and uses preferential voting in single-member seats for the Legislative Assembly, and single transferable vote in multi-member seats for the proportionally represented Legislative Council.