“ With due regard for the provisions of Section 2 of this Order, the Board shall screen such recommendations and, on the basis of such recommendations or upon its own motion, shall from time to time submit to the President nominations of individuals for award of the Medal, in appropriate degrees. ”

“ The terms of service of the members of the Board appointed under this paragraph shall be five years, except that the first five members so appointed shall have terms of service expiring on the 31st day of July 1964, 1965, 1966, 1967, and 1968, respectively. Any person appointed to fill a vacancy occurring prior to the expiration of the term for which his predecessor was appointed shall serve for the remainder of such term. `` (b) A chairman of the Board shall be designated by the President from time to time from among the membership of the Board appointed from the Executive Branch. ”

“ The principal announcement of awards of the Medal shall normally be made annually, on or about July 4 of each year; but such awards may be made at other times, as the President may deem appropriate. `` (d) Subject to the provisions of this Order, the Medal may be awarded posthumously. ”