50 C.F.R. § 20.71
Violation of Federal law
No person shall at any time, by any means or in any manner, take, possess, transport, or export any migratory bird, or any part, nest, or egg of any such bird, in violation of any act of Congress or any regulation, including the regulations in this part and the authorization conditions (see § 20.107 for a definition) for migratory bird hunting and in accordance with § 20.125(a), issued pursuant thereto.