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The Official White House page is here
Sec. 201. Priorities and Allocations Authorities. (a) The authority of the President conferred by section 101 of the Act, 50 U.S.C. App. 2071, to require acceptance and priority performance of contracts or orders (other than contracts of employment) to promote the national defense over performance of any other contracts or orders, and to allocate materials, services, and facilities as deemed necessary or appropriate to promote the national defense, is delegated to the following agency heads:
Some of the twitter buzz: