act Aug. 9, 1937, ch. 570, § 150 Stat. 592Section, , , related to contracts for medical attention and service for employees.
Pub. L. 89–554, § 8(a)80 Stat. 647Jan. 12, 1927, ch. 2744 Stat. 957Mar. 7, 1928, ch. 13745 Stat. 227Mar. 4, 1929, ch. 705, § 145 Stat. 1589May 14, 1930, ch. 273, § 146 Stat. 306Feb. 14, 1931, ch. 187, § 146 Stat. 1142Apr. 22, 1932, ch. 125, § 147 Stat. 114Feb. 17, 1933, ch. 98, § 147 Stat. 842Mar. 2, 1934, ch. 38, § 148 Stat. 380May 9, 1935, ch. 101, § 149 Stat. 197June 22, 1936, ch. 691, § 149 Stat. 1781, , to 649, also repealed acts , ; , ; , ; , ; , ; , ; , ; , ; , , and , , which contained similar provisions.