105 STAT. 726 PUBLIC LAW 102-138—OCT. 28, 1991 allies, to terminate the involvement of the foreign person in the activities described in subsection (a)(1). The President may delay the imposition of the sanction for an additional period of up to 90 days if the President determines and certifies to the Congress that that government is in the process of taking the actions described in the preceding sentence. "(3) REPORT TO CONGRESS. — The President shall report to the Congress, not later than 90 days after making a determination under subsection (a)(1), on the status of consultations with the appropriate government under this subsection, and the basis for any determination under paragraph (2) of this subsection that such government has taken specific corrective actions. "(c) SANCTION. — "(1) DESCRIPTION OF SANCTION. —The sanction to be imposed pursuant to subsection (a)(1) is, except as provided in paragraph (2) of this subsection, that the United States Government shall not procure, or enter into any contract for the procurement of, any goods or services from any person described in subsection (a)(3). "(2) EXCEPTIONS.—The President shall not be required to apply or maintain a sanction under this section— "(A) in the case of procurement of defense articles or defense services— "(i) under existing contracts or subcontracts, including the exercise of options for production quantities to satisfy United States operational military requirements; "(ii) if the President determines that the person or other entity to which the sanction would otherwise be applied is a sole source supplier of the defense articles or services, that the defense articles or services are essential, and that alternative sources are not readily or reasonably available; or "(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 the sanction; "(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 SANCTION. — A sanction imposed pursuant to this section shall apply for a period of at least 12 months following the imposition of the sanction 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
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