[516] 66 Stat. 153, June 23, 1952, Sec. 1.

[517] 67 Stat. 559, August 13, 1953, Sec. 2.

[518] Id., Sec. 1.

[519] 48 Stat. 8, March 20, 1933, Title II, Sec. 3 (a).

[520] 48 Stat. 1183, June 19, 1934, Sec. 1.

[521] 56 Stat. 176, March 27, 1942, Sec. 1401.

[522] Id., Sec. 7307.

[523] 58 Stat. 723, July 3, 1944, Sec. 4.

[524] 60 Stat. 23, February 20, 1946.

[525] 62 Stat. 93, March 30, 1948, Sec. 202.