148Thus, in the context of individual decisions, it is settled case-law that the purpose of the obligation to state the reasons on which an individual decision is based is, in addition to permitting review by the Courts, to provide the person concerned with sufficient information to know whether the decision may be vitiated by an error enabling its validity to be challenged (see, inter alia, to that effect, Case C-199/99 PCorus UK v Commission [2003] ECR I-11177, paragraph 145, and Joined Cases C-189/02 P, C-202/02 P, C-205/02 P to C-208/02 P and C-213/02 PDansk Røhrindistri and Others v Commission [2005] ECR I-5425, paragraph 462).