; 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; electrical substations of the Capitol, Senate and House office buildings, and other facilities under the jurisdiction of the Architect of the Capitol; including furnishings and office equipment; including not more than $5,000 for official reception and representation expenses, to be expended as the Architect of the Capitol may approve; for purchase or exchange, maintenance, and operation of a passenger motor vehicle, $93,000,000 (reduced by $250,000) (reduced by $100,000) (increased by $100,000). Capitol Building For all necessary expenses for the maintenance, care and operation of the Capitol, $45,300,000, of which $19,458,000 shall remain available until September 30, 2022. 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, $13,333,000, of which $3,195,000 shall remain available until September 30, 2022. House Office Buildings For all necessary expenses for the maintenance, care and operation of the House office buildings, $169,294,000, of which $45,130,000 shall remain available until September 30, 2022, and of which $62,000,000 shall remain available until expended for the restoration and renovation of the Cannon House Office Building. In addition, for a payment to the House Historic Buildings Revitalization Trust Fund, $10,000,000, to remain available until expended. Capitol Power Plant For all necessary expenses for the maintenance, care and operation of the Capitol Power Plant