“ Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That, in accordance with section 5581 of the Revised Statutes (20 U.S.C. 43) , the vacancy on the Board of Regents of the Smithsonian Institution, in the class other than Members of Congress, occurring by reason of the resignation of Phillip Frost of Florida is filled by the appointment of Stephen M. Case of Virginia. ”