 Legal changes were introduced in 2010 to turn the eve of polling day for both parliamentary and presidential elections into a "cooling-off day" on which no campaigning is permitted.Prime Minister Lee Hsien Loong justified the changes as enabling voters to think dispassionately about the candidates' stands on issues raised, and reducing the chance of public disorder.On the eve and on polling day itself, election advertising is prohibited, though the following activities remain unaffected