44 U.S.C. § 1331
In addition to the usual number of the report of the National Academy of Sciences, two thousand copies shall be printed: five hundred for the Senate, one thousand for the House of Representatives, and five hundred for distribution by the National Academy of Sciences.
(Pub. L. 90–620, , 82 Stat. 1270.)
Based on 44 U.S. Code, 1964 ed., § 275 (Jan. 12, 1895, ch. 23, § 73, 28 Stat. 616).