1. The Co-respondent and the prior involvement mechanisms are envisaged by Article 3 of the Draft Agreement-Council of Europe CDDH-UE (2011) 16 fin.
2. See, for instance, this Special Issue on The Preliminary Reference to the Court of Justice of The European Union by Constitutional Courts (Maria Dicosola, Cristina Fasone & Irene Spigno, eds.)
3. Italian Constitutional Court, Order 207/2013 of 3 July 2013.
4. French Conseil Constitutionnel, Decision 2013-314P QPC, 4 April 2013, Jeremy F.