Council of Europe conventions/treaties are also open for signature to non-member states, thus facilitating equal co-operation with countries outside Europe. The Council of Europe's most famous achievement is the European Convention on Human Rights, which was adopted in 1950 following a report by the Council of Europe's Parliamentary Assembly, and followed on from the United Nations 'Universal Declaration of Human Rights' (UDHR). The Convention created the European Court of Human Rights in Strasbourg. The Court supervises compliance with the European Convention on Human Rights and thus functions as the highest European court. It is to this court that Europeans can bring cases if
Committee of Ministers of the Council of Europe reforms in the applicant state. Once invited, a state becomes a member by depositing, normally by the Minister for Foreign Affairs, an instrument of accession with the Secretary General of the Council of Europe. The only European states which are not members of the Council of Europe and thus could in principle be admitted are Belarus, Kazakhstan and the Vatican as well as Kosovo pending clarification of its international legal status. Once the European Union has attained full legal personality, it could also accede to the Council of Europe. So far, the European Community has only signed Council of Europe