27 CFR § 478.43
License fee not refundable
April 24, 2020
No refund of any part of the amount paid as a license fee shall be made where the operations of the licensee are, for any reason, discontinued during the period of an issued license. However, the license fee submitted with an application for a license shall be refunded if that application is denied or withdrawn by the applicant prior to being acted upon.
[T.D. ATF-270, 53 FR 10494, Mar. 31, 1988]