Notwithstanding any other provision of law, the Sergeant at Arms and Doorkeeper of the Senate , subject to the approval of the Committee on Rules and Administration, is on and after July 6, 1981 , authorized to enter into contracts which provide for the making of advance payments for computer programing services. ( Pub. L. 97–20 , July 6, 1981 , 95 Stat. 104 .) Editorial Notes Codification Section was formerly classified to section 123c–1 of this title prior to editorial reclassification and renumbering as this section.