15 U.S.C. § 1504
Section, acts Feb. 14, 1903, ch. 552, §2, 32 Stat. 826; Mar. 4, 1913, ch. 141, §1, 37 Stat. 736; Mar. 3, 1917, ch. 163, §1, 39 Stat. 1111, provided for appointment by President of an Assistant Secretary of Commerce, who would perform such duties as prescribed by Secretary or required by law.