44 U.S.C. § 722 - U.S. Code - Unannotated Title 44. Public Printing and Documents § 722. Congressional Directory: sale

The Director of the Government Publishing Office, under the direction of the Joint Committee on Printing, may print the current Congressional Directory for sale at a price sufficient to reimburse the expense of printing. The money derived from sales shall be paid into the Treasury and accounted for in his annual report to Congress, and sales may not be made on credit.