22 U.S.C. § 4904: Secretary of State

(a) DeterminationsThe Secretary of State shall determine which of the individuals selected by the Board will serve at each United States diplomatic or consular mission abroad and the position in which each will serve. (b) AuthoritiesFellows may be employed—(1) under a temporary appointment in the civil service; (2) under a limited appointment in the Foreign Service; or (3) by contract under the provisions of section 2669(c) of this title. (c) FundingFunds appropriated to the Department of State for “Salaries and Expenses” shall be used for the expenses incurred in carrying out this chapter.