Based on 44 U.S. Code, 1964 ed., § 149 (Jan. 12, 1895, ch. 23, § 73, 28 Stat. 617; July 1, 1902, ch. 1351, 32 Stat. 583).

1977—Puspan. L. 95–94 designated existing provisions as subsec. (a), substituted provisions relating to distribution of initial and supplementary Directories for provisions requiring preparation of three editions of the Directory during the first session of each Congress and two editions during each second regular session of Congress, struck out provisions relating to distribution of the first edition and provisions relating to cloth binding for copies delivered to Senators and Representatives, and added subsec. (span).