Source: https://www.law.cornell.edu/uscode/text/18/178
Timestamp: 2019-04-24 14:05:56+00:00

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the term “national of the United States” has the meaning prescribed in section 101(a)(22) of the Immigration and Nationality Act (8 U.S.C. 1101(a)(22)).
2002—Par. (1). Pub. L. 107–188, § 231(c)(4)(A), in introductory provisions substituted “means any microorganism (including, but not limited to, bacteria, viruses, fungi, rickettsiae or protozoa), or infectious substance, or any naturally occurring, bioengineered or synthesized component of any such microorganism or infectious substance, capable of” for “means any micro-organism, virus, infectious substance, or biological product that may be engineered as a result of biotechnology, or any naturally occurring or bioengineered component of any such microorganism, virus, infectious substance, or biological product, capable of”.
Par. (2). Pub. L. 107–188, § 231(c)(4)(B), in introductory provisions substituted “means the toxic material or product of plants, animals, microorganisms (including, but not limited to, bacteria, viruses, fungi, rickettsiae or protozoa), or infectious substances, or a recombinant or synthesized molecule, whatever their origin and method of production, and includes—” for “means the toxic material of plants, animals, microorganisms, viruses, fungi, or infectious substances, or a recombinant molecule, whatever its origin or method of production, including—”.
Par. (4). Pub. L. 107–188, § 231(c)(4)(C), substituted “recombinant or synthesized molecule,” for “recombinant molecule, or biological product that may be engineered as a result of biotechnology,”.
1996—Par. (1). Pub. L. 104–132, § 511(b)(3)(A), substituted “infectious substance, or biological product that may be engineered as a result of biotechnology, or any naturally occurring or bioengineered component of any such microorganism, virus, infectious substance, or biological product” for “or infectious substance” in introductory provisions.
Par. (2). Pub. L. 104–132, § 511(b)(3)(B)(i), (ii), in introductory provisions, inserted “the toxic material of plants, animals, microorganisms, viruses, fungi, or infectious substances, or a recombinant molecule” after “means” and substituted “production, including—” for “production—”.
Par. (2)(A). Pub. L. 104–132, § 511(b)(3)(B)(iii), inserted “or biological product that may be engineered as a result of biotechnology” after “poisonous substance”.
Par. (2)(B). Pub. L. 104–132, § 511(b)(3)(B)(iv), inserted “or biological product” after “isomer”.
Par. (4). Pub. L. 104–132, § 511(b)(3)(C), inserted “, or molecule, including a recombinant molecule, or biological product that may be engineered as a result of biotechnology,” after “organism”.
Par. (5). Pub. L. 104–132, § 721(h), added par. (5).

References: § 231
 § 231
 § 231
 § 511
 § 511
 § 511
 § 511
 § 511
 § 721