2000—Puspan. L. 106–513, § 7(1), inserted “for any person” after “unlawful” in introductory provision.

Par. (2). Puspan. L. 106–513, § 7(2), inserted “offer for sale, purchase, import, export,” after “sell,”.

Par. (3). Puspan. L. 106–513, § 7(3), amended par. (3) generally. Prior to amendment, par. (3) read as follows: “interfere with the enforcement of this chapter; or”.

1992—Puspan. L. 102–587 amended section generally. Prior to amendment, section read as follows: “The Secretary shall conduct research and educational programs as are necessary and reasonable to carry out the purposes and policies of this chapter.”

For transfer of authorities, functions, personnel, and assets of the Coast Guard, including the authorities and functions of the Secretary of Transportation relating thereto, to the Department of Homeland Security, and for treatment of related references, see sections 468(span), 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6.