This chapter, referred to in text, was in the original “this Act”, meaning Pub. L. 90–629,
2002—Pub. 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—Pub. L. 97–113 substituted “sold or leased” for “sold” in first sentence.