1995 July 29, 1995 Dec. 22, 1931 June 24, 1935 Aug. 19, 1965 June 8, 1972 Jan. 21, 1977 June 9, 1998 Dec. 20, 1999 2122... 47 Sáit. 2185: 51 Stát. 357. •-•'• 33 Sta.t. 2147: 55 Stal. 1097." 47 Stat. 2122. 34 Stat. 2858. 37 Stat. 1616. 45 Stat. 2489:4`•• 32 Stat. 1096. 34 Stat.