; or (B) through commercial credit. (f) Interagency collaboration The Secretary shall consult with the Director of the Indian Health Service regarding agency collaboration, project prioritization, and staffing needs to ensure the amounts appropriated under subsection (b) are used in the most effective manner to promote access to water and sanitation. 5. Indian Health Service (a) Definition of Secretary In this section, the term Secretary means the Secretary of Health and Human Services, acting through the Director of the Indian Health Service. (b) Sanitation facilities construction program For purposes of section 7(a)(1) of the Act of August 5, 1954 ( 42 U.S.C. 2004a(a)(1) ), Indian homes, communities, and lands for which the Secretary has authority to construct, improve, extend, or otherwise provide and maintain, by contract or otherwise, essential sanitation facilities, including domestic and community water supplies and facilities, drainage facilities, and sewage-disposal and waste-disposal facilities under that section shall include community structures that are essential to the life of a Native community and provide indispensable educational, economic, and community services, such as schools, hospitals, nursing homes, teachers’ homes, Tribal offices, and post offices. (c) Authorization of appropriations In addition to amounts otherwise available, there is authorized to be appropriated to the Secretary $20,000,000 for each of fiscal years 2024 through 2028, to remain available until expended, to construct, improve, extend, or otherwise provide and maintain essential sanitation facilities, including domestic and community water supplies and facilities, drainage facilities, and sewage-disposal and waste-disposal facilities, for community structures described in subsection (b). (d) Technical assistance funding In addition to amounts otherwise available, there is authorized to be appropriated to the Secretary $30,000,000 for each of fiscal years 2024 through 2028, to remain available until expended, for Indian