Section, act July 17, 1916, ch. 245, title I, 3, 39 Stat. 361, as amended by acts Mar. 4, 1923, ch. 252, title III, 302, 42 Stat. 1473; Mar. 4, 1925, ch. 524, 3, 43 Stat. 1262; June 26, 1930, ch. 613, 46 Stat. 815, related to payment of salaries and expenses of certain employees of Federal Farm Loan Bureau.