56It is also settled law that the Commission cannot be described as a ‘tribunal’ within the meaning of Article 6 of the ECHR {Musique Diffusion Française and Others v Commission, cited above, paragraph 7). The applicant's argument that the Decision is unlawful simply because it was adopted under a system in which the Commission carries out both investigatory and decision-making functions is therefore irrelevant. The Court emphasises, however, that the Commission is required, during the administrative procedure before it, to observe the procedural guarantees provided for by Community law.