Whenever the President determines it to be consistent with and in furtherance of the purposes of this chapter, the head of any agency of the United States Government is authorized to detail, assign, or otherwise make available to any international organization any officer or employee of his agency to serve with, or as a member of, the international staff of such organization, or to render any technical, scientific, or professional advice or service to, or in cooperation with, such organization. ( Pub. L. 87–195 , pt. III, § 628, Sept. 4, 1961 , 75 Stat. 452 .) Editorial Notes References in Text This chapter, referred to in text, was in the original “this Act”, meaning Pub. L. 87–195 , Sept. 4, 1961 , 75 Stat. 424 , known as the Foreign Assistance Act of 1961 . For complete classification of this Act to the Code, see Short Title note set out under section 2151 of this title and Tables. Executive Documents Delegation of Functions For delegation of functions of President under this section, see Ex. Ord. No. 12163 , Sept. 29, 1979 , 44 F.R. 56673 , as amended, set out as a note under section 2381 of this title .