“ Persons employed or assigned by a department or other executive agency for the purpose of performing functions under the Act outside the United States shall be entitled, except in cases in which the period of employment or assignment exceeds thirty months, to the same benefits as are provided by Section 528 of the Foreign Service Act of 1946, as amended (22 U.S.C. 928) , for persons appointed to the Foreign Service Reserve. ”

“ In order to assure appropriate coordination of programs, and taking into account the statutory functions of the departments and other executive agencies concerned, the Secretary of State shall exercise primary responsibility for Government-wide leadership and policy guidance with regard to international educational and cultural affairs. ”

“ References in this order to the Act or any provisions of the Act shall be deemed to include references thereto as amended from time to time. (b) References in this order to any prior Executive order not superseded by this order shall be deemed to include references thereto as amended from time to time. Sec. 11. ”