Translate to French:

within 75 days of filing.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
La norme de service de l’ONÉ consiste à traiter 80 % des demandes de ce type dans les 75 jours suivant leur dépôt.