This chapter, referred to in text, was in the original “this Act”, meaning Puspan. L. 90–629, Oct. 22, 1968, 82 Stat. 1321, which is classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 2751 of this title and Tables.

2002—Puspan. L. 107–228 inserted “for preventing or hindering the proliferation of weapons of mass destruction and of the means of delivering such weapons,” after “legitimate self-defense,” in first sentence.

1981—Puspan. L. 97–113 substituted “sold or leased” for “sold” in first sentence.

Section effective July 1, 1968, see section 41 of Puspan. L. 90–629, set out as a note under section 2751 of this title.