; or (B) to use alternative or innovative methods or models of delivering health care services to Indians (including primary care services, contract health services, or any other program or service authorized by this Act) through convenient care services (as defined in subsection (c)), community health centers, or cooperative agreements or arrangements with other health care providers that share or coordinate the use of facilities, funding, or other resources, or otherwise coordinate or improve the coordination of activities of the Service, Indian tribes, or tribal organizations, with those of the other health care providers. (2) Authority The Secretary, acting through the Service, is authorized to carry out, or to enter into contracts or compacts under the Indian Self-Determination and Education Assistance Act ( 25 U.S.C. 450 et seq.) with Indian tribes or tribal organizations to carry out, health care delivery demonstration projects that— (A) test alternative means of delivering health care and services to Indians through facilities; or (B) otherwise carry out the purposes of this section. (b) Use of funds The Secretary, in approving projects pursuant to this section— (1) may authorize such contracts for the construction and renovation of hospitals, health centers, health stations, and other facilities to deliver health care services; and (2) is authorized— (A) to waive any leasing prohibition; (B) to permit use and carryover of funds appropriated for the provision of health care services under this Act (including for the purchase of health benefits coverage, as authorized by section 402(a)); (C) to permit the use of other available funds, including other Federal funds, funds from third-party collections in accordance with sections 206, 207, and 401, and non-Federal funds contributed by State or local governmental agencies or facilities or private health care providers pursuant to cooperative or other agreements with the Service, 1 or more Indian tribes, or tribal organizations