act Mar. 15, 1898, ch. 68, § 130 Stat. 286Jan. 28, 1915, ch. 20, § 138 Stat. 800Mar. 4, 1923, ch. 251, § 342 Stat. 1453Section, , , as supplemented by acts , ; , , related to administration of oaths by collectors and assistants.
Act Aug. 4, 1949, ch. 393, § 2063 Stat. 561act Jan. 28, 1915, ch. 20, § 138 Stat. 800, , also repealed , , formerly credited to this section.