44 U.S.C. § 1122

The Director of the Government Publishing Office may procure and supply, on the requisition of the head of an executive department, independent office or establishment of the Government, complete manifold blanks, books, and forms required in duplicating processes, and complete patented devices with which to file money-order statements, or other uniform official papers, and charge them to the allotment for printing and binding of the department or Government establishment requiring them.