Supplies for use of the Senate and the House of Representatives may be purchased in accordance with the schedule of contract articles and prices of the Administrator of General Services.
(June 5, 1920, ch. 253, § 1, 41 Stat. 1036; Ex. Ord. No. 6166, June 10, 1933, § 1; June 30, 1949, ch. 288, title I, § 102, 63 Stat. 380.)