Subchapter X of this chapter, referred to in text, was in the original “title IV of this Act”, meaning title IV of act Sept. 1, 1951, ch. 378, 65 Stat. 310, hich enacted sections 1593 to 1593d of this title and was repealed by act June 30, 1953, ch. 170, § 19, 67 Stat. 126.