Section 557.6 - Determination whether to hold a public hearing(a) The Administrator considers the following factors in determining whether to hold a hearing:(1) The nature of the complaint;(2) The seriousness of the alleged breach of obligation to remedy;(3) The existence of similar complaints;(4) The ability of the NHTSA to resolve the problem without holding a hearing; and(5) Other pertinent matters.(b) If, after considering the above factors, the Administrator determines that a hearing should be held, the petition is granted. If it is determined that a hearing should not be held, the petition is denied. In either case, the petitioner is notified of the grant or denial not more than 60 days after receipt of the petition by the NHTSA.(c) If a petition submitted under this part is denied, a FEDERAL REGISTER notice of the denial is issued within 45 days of the denial, setting forth the reasons for it.(d) The Administrator may conduct a hearing under this part on his own motion.