41 CFR § 102-74.510
How may the disapproval of a permit application or cancellation of an issued permit be appealed?
June 9, 2020
A person or organization may appeal the disapproval of an application or cancellation of an issued permit by notifying the Regional Officer (as defined in §102-71.20 of this chapter), in writing, of the intent to appeal within 5 calendar days of the notification of disapproval or cancellation.