Italicum is the electoral law used for the Chamber of Deputies only. It was proposed by Matteo Renzi, after he reached an agreement with political antagonist Silvio Berlusconi, the leader of the opposition Forza Italia party. The law has come into force on July 2016. The first electoral list (there are no coalitions) that manages to obtain more than 40% of the vote is awarded 340 seats (excluding 12 MPs elected abroad) out of a total of 630, thanks to a “majority premium.” In no list secures more than 40% of the vote, the first two political parties go to a runoff: the winner gets the 340 seats. The stated purpose of the reform is to overcome the post-vote horse trading that typically occurs after elections and to bolster the stability of governments by reducing the influence of tiny parties.