The Commission practice has already been to consider that renting public property against remuneration constitutes an economic activity, especially where the port's co-contractor provides port services to its customers [57].
D'après la Cour de justice, constitue un avantage non seulement une prestation positive mais également toutes les interventions qui, sous des formes diverses, allègent les charges qui normalement grèvent le budget d'une entreprise [61].