; 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, $882,748,000, to 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 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: Provided further , That not to exceed $2,700,000 from this account and the Indian Health Services account may be used by the Indian Health Service to obtain ambulances for the Indian Health Service and tribal facilities in conjunction with an existing interagency agreement between the Indian Health Service and the General Services Administration: Provided further , That not to exceed $500,000 may be placed in a Demolition Fund, to remain available until expended, and be used by the Indian Health Service for the demolition of Federal buildings. 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