44 U.S.C. § 1704
Employees in the office of the Superintendent of Documents may be paid for night, Sunday, holiday, and overtime work at rates not in excess of the rates of additional pay for this work allowed other employees of the Government Printing Office under section 305 of this title.
(Pub. L. 90–620, , 82 Stat. 1279.)
Based on 44 U.S. Code, 1964 ed., § 75 (Mar. 4, 1925, ch. 549, § 1, 43 Stat. 1300; May 13, 1926, ch. 294, § 1, 44 Stat. 552; Feb. 23, 1927, ch. 166, 44 Stat. 1160).