A Member State concerned shall refuse to authorise a substantial modification if it finds, on duly justified grounds, that the aspects covered by Part II of the assessment report are not complied with or where an ethics committee has issued a negative opinion which, in accordance with the law of that Member State concerned, is valid for that entire Member State.
Chaque État membre concerné évalue, pour son propre territoire, les aspects de la modification substantielle relevant de la partie II du rapport d'évaluation et soumet ce rapport, y compris sa conclusion, au promoteur par l'intermédiaire du portail de l'Union dans un délai de trente-huit jours à compter de la date de validation.