Title Affair Location YearFromto Constitutional Courts and European Constitutions (Madrid, 2-4 November 2005) The Constitutional Court and the new European Constitution (II) (Roma, 17-20 June 2004) The Constitutional Court and the new European Constitution (I) (Lisbon, 27-28 November 2003) The constitutional guarantee of local autonomy (Madrid, 28-29 November 2002) The enforcement of Constitutional Court decisions by the legislator (Rome, 26-29 May 2001) The effectiveness of declarations of unconstitutionality over the years: jurisdictional modulations (Lisbon, 27-30 April 2000) The interpretation of laws by constitutional jurisdiction and ordinary courts (Madrid, 8-10 April 1999) 1 2