176Under that principle, the person concerned must have had the opportunity, before the decision relating to him was adopted, to put forward his point of view on the correctness and relevance of the facts and circumstances on the basis of which the decision was adopted (see, to that effect, Case 44/69Buchler v Commission [1970] ECR 733, paragraph 9, and Case C-458/98 PIndustrie des poudres sphériques v Council [2000] ECR I-8147, paragraph 99).