2 U.S.C. § 6614
Funds advanced by Secretary of Senate to Sergeant at Arms and Doorkeeper of Senate to defray office expenses; accountability; maximum amount; vouchers
From funds available for any fiscal year (commencing with the fiscal year ending
In accordance with the provisions of this section, a detailed voucher shall be submitted to the Secretary of the Senate by such Sergeant at Arms whenever necessary, in order to replenish funds expended.