One of the situations where it may be appropriate to reopen a decision is when a party introduces substantial new evidence that was not available at the time of the original hearing and which would likely have resulted in a different decision had the evidence been introduced at the original hearing. ###>Une de ces situations est la production d’importants éléments de preuve qui n’étaient pas disponibles au moment de l’audition initiale du cas et qui auraient probablement entraîné un résultat différent s’ils l’avaient été.