Monitoring local and regional democracy is the most emblematic activity of the Congress of Local and Regional Authorities of the Council of Europe. The voice of municipalities and regions, the Congress is a unique assembly in Europe responsible for ensuring the proper application of the European Charter of Local Self-Government. This international convention lays down standards for protecting the rights of local authorities and requires the 46 member states of the Council of Europe - which have all ratified it - to comply with a number of principles.