; for all necessary expenses for surveys and studies, construction, operation, and general and administrative support in connection with facilities and activities under the care of the Architect of the Capitol, including the Botanic Garden, Senate and House office buildings, and other facilities under the jurisdiction of the Architect of the Capitol; for furnishings and office equipment; for official reception and representation expenses of not more than $5,000, to be expended as the Architect of the Capitol may approve; for purchase or exchange, maintenance, and operation of a passenger motor vehicle, $152,507,000, of which $3,100,000 shall remain available until September 30, 2028: Provided, That $1,000,000 shall be for improvements to rooms for nursing mothers and related resources across the Capitol complex. Capitol Building For all necessary expenses for the maintenance, care and operation of the Capitol, $95,688,000, of which $46,599,000 shall remain available until September 30, 2028, and of which $17,000,000 shall remain available until expended. Capitol Grounds For all necessary expenses for care and improvement of grounds surrounding the Capitol, the Senate and House office buildings, and the Capitol Power Plant, $16,600,000, of which $2,000,000 shall remain available until September 30, 2028. Senate Office Buildings For all necessary expenses for the maintenance, care and operation of Senate office buildings