; and purchase and exchange, maintenance, repair, and operation of a passenger motor vehicle; all under the direction of the Joint Committee on the Library, $14,759,000, of which $3,559,000 shall remain available until September 30, 2023: Provided , That, of the amount made available under this heading, the Architect of the Capitol may obligate and expend such sums as may be necessary for the maintenance, care and operation of the National Garden established under section 307E of the Legislative Branch Appropriations Act, 1989 ( 2 U.S.C. 2146 ), upon vouchers approved by the Architect of the Capitol or a duly authorized designee. Capitol Visitor Center For all necessary expenses for the operation of the Capitol Visitor Center, $23,322,000. Administrative Provisions No bonuses for contractors behind schedule or over budget 140. None of the funds made available in this Act for the Architect of the Capitol may be used to make incentive or award payments to contractors for work on contracts or programs for which the contractor is behind schedule or over budget, unless the Architect of the Capitol, or agency-employed designee, determines that any such deviations are due to unforeseeable events, government-driven scope changes, or are not significant within the overall scope of the project and/or program. Scrims 141. (a) None of the funds made available in any fiscal year may be used for scrims containing photographs of building facades during restoration or construction projects performed by the Architect of the Capitol. (b) This section shall apply with respect to fiscal year 2019 and each succeeding fiscal year. Security programs 142. (a) Purpose of programs Section 906(b) of the 2002 Supplemental Appropriations Act for Further Recovery From and Response To Terrorist Attacks on the United States ( 2 U.S.C. 1865(b) ) is amended to read as follows: (b) Funds in the account shall be used by the Architect of the Capitol for all necessary expenses for— (1) resilience and security programs of the Architect of the Capitol