for any person in charge of a fishing vessel or any fishing vessel subject to the jurisdiction of the United States to engage in fishing in violation of any regulation adopted pursuant to section 971d of this title; or

for any person subject to the jurisdiction of the United States to ship, transport, purchase, sell, offer for sale, import, export, or have in custody, possession, or control any fish which he knows, or should have known, were taken or retained contrary to the recommendations of the Commission made pursuant to article VIII of the Convention and adopted as regulations pursuant to section 971d of this title, without regard to the citizenship of the person or vessel which took the fish.