While the Generalitat and its president control regional affairs, the Ajuntamient and its mayor are responsible for the city of Barcelona. In May 2007, Jordi Hereu, also of the PSC, was re-elected as Mayor of Barcelona, having replaced Joan Clos in 2006. In terms of administration, Barcelona is divided into ten districts. Each of these has an elected council and city councillor. At election time, voters don’t select a specific candidate. Instead, they rate each candidate in order of preference. Once a party gets enough votes for four seats, those seats are taken by its four candidates with the most votes. The winning party’s top candidate then becomes mayor. So, on election day, if you find yourself in one of the city’s ajuntaments (town halls), remember; don’t just tick one box. Once elected, the 41-man council can veto government decisions and has a say in local matters such as city traffic, road safety and telecommunications. A worrying concern in Barcelona is a growing level of absenteeism at the ballots. In the 2007 local elections, only 52% of Barcelona’s electorate voted.