; preparation of plans, specifications, and drawings; acquisition of sites, purchase and erection of modular buildings, and purchases of trailers; and for provision of domestic and community sanitation facilities for Indians, as authorized by section 7 of the Act of August 5, 1954 ( 42 U.S.C. 2004a ), the Indian Self-Determination Act, and the Indian Health Care Improvement Act, and for expenses necessary to carry out such Acts and titles II and III of the Public Health Service Act with respect to environmental health and facilities support activities of the Indian Health Service, $475,209,000, which shall remain available until expended and shall be in addition to funds previously appropriated under this heading that became available on October 1, 2023; and, in addition, $976,699,000, which shall become available on October 1, 2024, and remain available until expended: Provided, That notwithstanding any other provision of law, funds appropriated for the planning, design, construction, renovation, or expansion of health facilities for the benefit of an Indian Tribe or Tribes may be used to purchase land on which such facilities will be located: Provided further, That not to exceed $500,000 may be used for fiscal year 2025 by the Indian Health Service to purchase TRANSAM equipment from the Department of Defense for distribution to the Indian Health Service and Tribal facilities: Provided further, That none of the funds appropriated to the Indian Health Service may be used for sanitation facilities construction for new homes funded with grants by the housing programs of the United States Department of Housing and Urban Development. ADMINISTRATIVE PROVISIONS—INDIAN HEALTH SERVICE Appropriations provided in this Act to the Indian Health Service shall be available for services as authorized by 5 U.S.C. 3109 at rates not to exceed the per diem rate equivalent to the maximum rate payable for senior-level positions under 5 U.S.C. 5376 ; hire of passenger motor vehicles and aircraft; purchase of medical equipment