[388] 50 Stat. 121, May 1, 1937, Sec. 3 (c).
[389] 55 Stat. 838, December 18, 1941, Sec. 301.
[390] 63 Stat. 7, February 26, 1949, Sec. 2.
[391] 56 Stat. 23, January 20, 1942, Sec. 2 (a).
[392] 56 Stat. 765, October 2, 1942, Sec. 2 (d).
[393] Id., Sec. 5 (c).
[394] 60 Stat. 664, July 25, 1946, Sec. 3.
[395] 61 Stat. 35, March 31, 1947, Sec. 1.
[396] 64 Stat. 798, September 8, 1950, Sec. 402 (b).