To summarise: were the Community legislature not to exercise its power to harmonise rules in the area of public health, an important instrument for the realisation of the internal market would thereby be rendered ineffective. Indeed, it is frequently the justified national measures intended to protect public health that create barriers to trade.
Cette intervention, par laquelle il se substitue au législateur national, ne peut pas avoir pour effet de diminuer la protection de l'intérêt public (à savoir, en l'espèce, la lutte contre le tabagisme).