The proper establishment and maintenance of electoral registers is vital in implementing and guaranteeing universal suffrage. In practice, it is a pre-condition for enabling voters to use their right to vote. Voter registration, however, is one of the most complex and difficult parts of electoral administration. Typical problems are that voter registers are incomplete (i.e. do not including all eligible voters) and inaccurate (i.e. they contain false data, names of deceased persons, etc.).