(e) Affirmative Defenses.—
(1) In general.—
It is an affirmative defense to a prosecution for a violation of subsection (a), which the defendant has the burden to prove by a preponderance of the evidence, that the submersible vessel or semi-submersible vessel involved was, at the time of the offense—
(A) a vessel of the United States or lawfully registered in a foreign nation as claimed by the master or individual in charge of the vessel when requested to make a claim by an officer of the United States authorized to enforce applicable provisions of United States law;
(B) classed by and designed in accordance with the rules of a classification society;
(C) lawfully operated in government-regulated or licensed activity, including commerce, research, or exploration; or
(D) equipped with and using an operable automatic identification system, vessel monitoring system, or long range identification and tracking system.
(2) Production of documents.—
The affirmative defenses provided by this subsection are proved conclusively by the production of—
(A) government documents evidencing the vessel’s nationality at the time of the offense, as provided in article 5 of the 1958 Convention on the High Seas;
(B) a certificate of classification issued by the vessel’s classification society upon completion of relevant classification surveys and valid at the time of the offense; or
(C) government documents evidencing licensure, regulation, or registration for commerce, research, or exploration.
Findings and Declarations
Pub. L. 110–407, title I, § 101, Oct. 13, 2008, 122 Stat. 4296, provided that:
“Congress finds and declares that operating or embarking in a submersible vessel or semi-submersible vessel without nationality and on an international voyage is a serious international problem, facilitates transnational crime, including drug trafficking, and terrorism, and presents a specific threat to the safety of maritime navigation and the security of the United States.”