49 CFR § 107.403 - Designation of certification agencies.
(b) If the Associate Administrator determines that an application does not contain all the required information, the application is denied and the applicant is sent a written notice containing all the reasons for the denial.
(c) Within 30 days of an initial denial of an application under paragraph (b) of this section, the applicant may file an amended application. If the application is denied by the Associate Administrator of Hazardous Materials Safety, the applicant may, within 20 days of receipt of the decision, request reconsideration by the Associate Administrator as set forth in § 107.715. If the reconsideration is denied by the Associate Administrator, the applicant may appeal the Associate Administrator's decision, within 30 days of the Associate Administrator's decision, to the Administrator of PHMSA, as specified in § 107.717.