"The holding of democratic elections and hence the very existence of democracy are impossible without respect for human rights, particularly the freedom of expression and of the press and the freedom of assembly and association for political purposes, including the creation of political parties. Respect for these freedoms is vital particularly during election campaigns. Restrictions on these fundamental rights must comply with the European Convention on Human Rights and, more generally, with the requirement that they have a basis in law, are in the general interest and respect the principle of proportionality. "