22 U.S.C. § 6446 - U.S. Code - Unannotated Title 22. Foreign Relations and Intercourse § 6446. Effects on existing contracts

(A) under existing contracts or subcontracts, including the exercise of options for production quantities, to satisfy requirements essential to the national security of the United States;

(B) if the President determines in writing and so reports to Congress that the person or other entity to which the Presidential action 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

(C) if the President determines in writing and so reports to Congress that such articles or services are essential to the national security under defense coproduction agreements; or