Human rights — Scope of protection within the European Community — Whether respect for human rights constituting a condition for the lawfulness of Community acts — Significance of the European Convention on Human Rights within the Community legal order

International tribunals — Court of Justice of the European Communities — Jurisdiction — EC Treaty, Articles 164 and 177 — Competence of Court to give preliminary rulings — Scope of competence — Jurisdiction of Court to ensure observance of fundamental rights by national courts — Whether limited to national legislation falling within the field of application of Community law — The law of the European Community