Fundamental principles of freedom of commerce and industry give rise to the freedom of competition. However, this freedom may sometimes cause unfair commercial practices between companies. Despite differences, all countries in Europe have set up mechanisms based on the principle of fairness in order to better facilitate activities related to commerce. It is generally believed that the market should act in a fair way towards the interests of all participants and, therefore, that some standard rules should be agreed in order to secure such fairness. In order to combine a high level of consumer...