173_9 interference 9. Having examined all the material submitted to it, the Court has not found any fact or argument capable of persuading it to reach a different conclusion on the admissibility and merits of these complaints. Having regard to its case-law on the subject, the Court considers that in the instant case the interferences with the applicants’ freedom of assembly were based on legal provisions which did not meet the Convention’s “quality of law” requirements and were moreover not “necessary in a democratic society”.