Editorial Notes Codification Sections 48 to 48g of this title comprised the Employment Stabilization Act of 1931 , act Feb. 10, 1931, ch. 117, §§ 1–8, 46 Stat. 1084–1086 , which became obsolete upon the abolition of the National Resources Planning Board effective Aug. 31, 1943 , by act June 26, 1943, ch. 145, title I, § 1, 57 Stat. 170 . Section 48, act Feb. 10, 1931, ch. 117, § 1, 46 Stat. 1084 , related to citation of “ Employment Stabilization Act of 1931 ”. Section 48a, act Feb. 10, 1931, ch. 117, § 2, 46 Stat. 1084 ; Ex. Ord. No. 6623 , Mar. 1, 1934 ; 1939 Reorg. Plan No. I, §§ 4 , 6 eff. July 1, 1939 , 4 F.R. 2727 , 53 Stat. 1423 ; 1939 Reorg. Plan No. II, § 4(e), (f), eff. July 1, 1939 , 4 F.R. 2731 , 53 Stat. 1433 ; 1940 Reorg. Plan No. III, § 3, eff. June 30, 1940 , 5 F.R. 2108 , 54 Stat. 1232 , related to definitions of terms used in this chapter.