Council of Europe, Council of Europe Reference Framework for Regional Democracy
“ Regional competences shall be defined by the constitution, the statutes of the region or by national law. Regional authorities shall, within the limits of the law and/or the constitution, have full discretion to exercise their initiative with regard to any matter which is not excluded from their competence nor assigned to any other authority. Regulation or limitations of regional competences shall be based on the constitution and/or law. ”
