§ 9b.
The Secretary of Labor shall prescribe rules and regulations for the enforcement of sections 9 and 9a of this title.
([Apr. 13, 1934, ch. 118, § 3], [48 Stat. 583]; [Apr. 11, 1935, ch. 59], [49 Stat. 154]; [June 15, 1937, ch. 349], [50 Stat. 259]; [Apr. 15, 1939, ch. 71], [53 Stat. 581]; [Aug. 7, 1946, ch. 770, § 1(16)], [60 Stat. 867].)