; for leases of facilities; and for laundry services; $211,000,000, which shall be in addition to funds previously appropriated under this heading that become available on October 1, 2018; and, in addition, $6,141,880,000, plus reimbursements, shall become available on October 1, 2019, and shall remain available until September 30, 2020: Provided , That, of the amount made available on October 1, 2019, under this heading, $250,000,000 shall remain available until September 30, 2021. Medical and prosthetic research For necessary expenses in carrying out programs of medical and prosthetic research and development as authorized by chapter 73 of title 38, United States Code, $779,000,000, plus reimbursements, shall remain available until September 30, 2020: Provided , That the Secretary of Veterans Affairs shall ensure that sufficient amounts appropriated under this heading are available for prosthetic research specifically for female veterans, and for toxic exposure research. National cemetery administration For necessary expenses of the National Cemetery Administration for operations and maintenance, not otherwise provided for, including uniforms or allowances therefor; cemeterial expenses as authorized by law; purchase of one passenger motor vehicle for use in cemeterial operations; hire of passenger motor vehicles; and repair, alteration or improvement of facilities under the jurisdiction of the National Cemetery Administration, $315,836,000, of which not to exceed 10 percent shall remain available until September 30, 2020. Departmental administration General administration (Including transfer of funds) For necessary operating expenses of the Department of Veterans Affairs, not otherwise provided for, including administrative expenses in support of Department-wide capital planning, management and policy activities, uniforms, or allowances therefor; not to exceed $25,000 for official reception and representation expenses; hire of passenger motor vehicles