act Mar. 15, 1898, ch. 68, § 1 30 Stat. 286 Jan. 28, 1915, ch. 20, § 1 38 Stat. 800 Mar. 4, 1923, ch. 251, § 3 42 Stat. 1453 Section, , , as supplemented by acts , ; , , related to administration of oaths by collectors and assistants.
Act Aug. 4, 1949, ch. 393, § 20 63 Stat. 561 act Jan. 28, 1915, ch. 20, § 1 38 Stat. 800 , , also repealed , , formerly credited to this section.