Provisions similar to those in this section were contained in act Sept. 21, 1922, ch. 356, title IV, § 524, 42 Stat. 975. That section was superseded by section 524 of act June 17, 1930, comprising this section, and repealed by section 651(a)(1) of the 1930 act.

1938—Act June 25, 1938, amended section generally.

Amendment by act June 25, 1938, effective on thirtieth day following June 25, 1938, except as otherwise specifically provided, see section 37 of act June 25, 1938, set out as a note under section 1401 of this title.