44 U.S.C. § 725
Statement of appropriations; “usual number”
Of the statements of appropriations required to be prepared by section 105 of Title 2 , there shall be printed, after the close of each regular session of Congress, the usual number of copies.
( Pub. L. 90–620 , Oct. 22, 1968 , 82 Stat. 1252 .)