(a) Except as provided in section 973d of this title, it is unlawful for any person subject to the jurisdiction of the United States—
to violate any provision of this chapter or any regulation or order issued pursuant to this chapter;
who has entered into a fishing arrangement under paragraph 3 of Article 3 of the Treaty, to violate the terms and conditions of such fishing arrangement if the Secretary of State has decided under section 973p of this title that Article 4 and paragraph 6 of Article 5 of the Treaty shall apply to the arrangement;
to falsify any information required to be reported, notified, communicated, or recorded pursuant to a requirement of this chapter, or to fail to submit any required information, or to fail to report to the Secretary immediately any change in circumstances which has the effect of rendering any such information false, incomplete, or misleading;
to intentionally destroy evidence which could be used to determine if a violation of this chapter or the Treaty has occurred;
(10) to forcibly assault, resist, oppose, impede, intimidate, or interfere with—
an observer in the conduct of observer duties under the Treaty;
to ship, transport, offer for sale, sell, purchase, import, export, or have custody, control, or possession of, any fish taken or retained in violation of this chapter or any regulation, permit, or the Treaty, with the knowledge that the fish were so taken or retained.
(b) Except as provided in section 973d of this title, it is unlawful for any person subject to the jurisdiction of the United States when in the Licensing Area—
to use a vessel for directed fishing for southern bluefin tuna or for fishing for any kinds of fish other than tunas, except that fish may be caught as an incidental by-catch;
to use a vessel for fishing by any method other than the purse-seine method;
to use any vessel to engage in fishing after the revocation of its license, or during the period of suspension of an applicable license;
except for circumstances involving force majeure and other emergencies involving the health or safety of crew members or the safety of the vessel, to use an aircraft in association with the fishing activities of a vessel unless it is identified in the license application for the vessel, or any amendment thereto.