L. whereas, where the Treaty expressly provides for them, soft law instruments are legitimate, provided that they are not used as a surrogate for legislation where the Community has legislative power and where Community-wide regulation still appears necessary having due regard to the principles of subsidiarity and proportionality, since this would also constitute a breach of the principle of conferred specific powers, and whereas this applies a fortiori to Commission communications purporting to interpret Community legislation; whereas preparatory instruments, such as green and white papers, also constitute a legitimate use of soft law ...[+++], in common with notices and guidelines published by the Commission in order to explain how it applies competition and state-aid policy,

L. whereas, where the Treaty expressly provides for them, soft law instruments are legitimate, provided that they are not used as a surrogate for legislation where the Community has legislative power and where Community-wide regulation still appears necessary having due regard to the principles of subsidiarity and proportionality, since this would also constitute a breach of the principle of conferred specific powers, and whereas this applies a fortiori to Commission communications purporting to interpret Community legislation; whereas preparatory instruments, such as green and white papers, also constitute a legitimate use of soft law ...[+++], in common with notices and guidelines published by the Commission in order to explain how it applies competition and state-aid policy,

L. whereas, where the Treaty expressly provides for them, soft law instruments are legitimate, provided that they are not used as a surrogate for legislation where the Community has legislative power and where Community-wide regulation still appears necessary having due regard to the principles of subsidiarity and proportionality, since this would also constitute a breach of the principle of conferred specific powers, and whereas this applies a fortiori to Commission communications purporting to interpret Community legislation; whereas preparatory instruments, such as green and white papers, also constitute a legitimate use of soft law, ...[+++] in common with notices and guidelines published by the Commission in order to explain how it applies competition and state-aid policy,

We are left with three blocs of legislation: a constitutional bloc with principles, a legislative bloc and an implementing bloc for implementing measures.

19. Proposes that a distinction should be drawn between three types of competence: the competences exercised as a matter of principle by the States, the Union's own competences and shared competences; is aware that certain actions may purely and simply be banned ('negative competences');

However, where introducing or exercising the jurisdiction of the Convention would be contrary to the established principles of its criminal law relating to jurisdiction, a Member State may provide that the offence must also be punishable under the law of the State where it was committed.