50 C.F.R. § 29.191
What enforcement actions can the Service take?
If you engage in a prohibited act:
(a) The Service may suspend and/or revoke your approved operations permit and your authorization for operations as set forth at § 29.43 and § 29.44; and/or
(b) All prohibited acts are subject to the penalty provisions set forth at § 28.31 of this subchapter.