Pub. L. 91-510, tit. IV, pt. 5, sec. 451
audit of accounts of certain private organizations
audit of accounts of certain private organizations Sec. 451. (a) Any private organization, except political parties and committees constituted for election of Federal Officials, whether or not organized for profit and whether or not any of its income inures to the benefit of any person, which performs services or conducts activities in or on the United States Capitol Buildings or Grounds, as defined by or pursuant to law, shall lie subject, for each year in which it performs such services or conducts such activities, to a special audit of its accounts which shall lie conducted by the General Accounting Office. The results of such audit shall be reported by the Comptroller General to the Senate and House of Representatives.