Administrative, Federalism, Vagueness
Law banning fishing except that regulated by Congressionally-instituted multistate compacts does not extend similar exceptions for fishing under plans drafted by multistate commissions not referenced by the Act.
Law is not vague for complexity.
US v. Gaston Saunders
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.