105 STAT. 1252 PUBLIC LAW 102-182—DEC. 4, 1991 essential, and that alternative sources are not readily or reasonably available; or .^,.. -f "(iii) if the President determines that such articles or services are essential to the national security under , defense coproduction agreements; "(B) to products or services provided under contracts entered into before the date on which the President publishes his intention to impose sanctions; "(C) to— "(i) spare parts, "(ii) component parts, but not finished products, essential to United States products or production, or "(iii) routine servicing and maintenance of products, to the extent that alternative sources are not readily or reasonably available; "(D) to information and technology essential to United States products or production; or "(E) to medical or other humanitarian items. "(d) TERMINATION OF SANCTIONS. —The sanctions imposed pursuant to this section shall apply for a period of at least 12 months following the imposition of sanctions and shall cease to apply thereafter only if the President determines and certifies to the Congress that reliable information indicates that the foreign person with respect to which the determination was made under subsection (a)(1) has ceased to aid or abet any foreign government, project, or entity in its efforts to acquire chemical or biological weapons capability as described in that subsection. "(e) WAIVER.— "(1) CRITERION FOR WAIVER.— The President may waive the application of any sanction imposed on any person pursuant to this section, after the end of the 12-month period beginning on the date on which that sanction was imposed on that person, if the President determines and certifies to the Congress that such waiver is important to the national security interests of the United States. "(2) NOTIFICATION OF AND REPORT TO CONGRESS.—I f the President decides to exercise the waiver authority provided in paragraph (1), the President shall so notify the Congress not less than 20 days before the waiver takes effect. Such notification shall include a report fully articulating the rationale and circumstances which led the President to exercise the waiver authority. "(f) DEFINITION OF FOREIGN PERSON. —For the purposes of this section, the term 'foreign person' means— "(1) an individual who is not a citizen of the United States or an alien admitted for permanent residence to the United States; or "(2) a corporation, partnership, or other entity which is created or organized under the laws of a foreign country or which has its principal place of business outside the United States.". 22 USC 5604. SEC. 306. DETERMINATIONS REGARDING USE OF CHEMICAL OR BIO- LOGICAL WEAPONS. (a) DETERMINATION BY THE PRESIDENT. — (1) WHEN DETERMINATION REQUIRED; NATURE OF/DETERMINA- TION.— Whenever persuasive information becomes available to the executive branch indicating the substantial possibility that,
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