There are five types of elections in Slovakia: municipal elections, regional elections, parliamentary elections, presidential elections and elections to the European Parliament. All four types of elections are normally held after fixed periods, although early elections can occur in certain situations. Elections are conventionally scheduled for a Saturday - the polls normally open at 7:00 in the morning and close at 22:00 in the evening.Citizens aged 18 years or older are eligible to vote. Those serving prison sentences for particularly serious crimes, as well as those deprived of legal capacity (either wholly or in part), including persons with mental disabilities, are denied the right to vote.Voter registration is passive and decentralized with the voter register maintained by municipalit