; and (2) the potential benefits of increased use of mobile health stations to provide specialty health care services for Indian communities. (f) Authorization of appropriations There are authorized to be appropriated $5,000,000 per year to carry out the demonstration program under this section for the first 5 fiscal years, and such sums as may be needed to carry out the program in subsequent fiscal years. . D Access to health services 151. Treatment of payments under Social Security Act health benefits programs Section 401 of the Indian Health Care Improvement Act ( 25 U.S.C. 1641 ) is amended to read as follows: 401. Treatment of payments under Social Security Act health benefits programs (a) Disregard of Medicare, Medicaid, and CHIP payments in determining appropriations Any payments received by an Indian health program or by an urban Indian organization under title XVIII, XIX, or XXI of the Social Security Act for services provided to Indians eligible for benefits under such respective titles shall not be considered in determining appropriations for the provision of health care and services to Indians. (b) Nonpreferential treatment Nothing in this Act authorizes the Secretary to provide services to an Indian with coverage under title XVIII, XIX, or XI of the Social Security Act in preference to an Indian without such coverage. (c) Use of funds (1) Special fund (A) 100 percent pass-through of payments due to facilities Notwithstanding any other provision of law, but subject to paragraph (2), payments to which a facility of the Service is entitled by reason of a provision of title XVIII or XIX of the Social Security Act shall be placed in a special fund to be held by the Secretary. In making payments from such fund, the Secretary shall ensure that each Service unit of the Service receives 100 percent of the amount to which the facilities of the Service, for which such Service unit makes collections, are entitled by reason of a provision of either such title. (B) Use of funds Amounts received by a facility of