Article 216(1) TFEU and the Unions shared external competence in the light of mixity: Germany v. Council (COTIF) - Common Market Law Review View Article 216(1) TFEU and the Unions shared external competence in the light of mixity: Germany v. Council (COTIF) by - Common Market Law Review Article 216(1) TFEU and the Unions shared external competence in the light of mixity: Germany v. Council (COTIF) 56 2 Common Market Law Review