reimbursement (A) Use of funds Each tribal health program making the election described in paragraph (1) with respect to a program under a title of the Social Security Act shall be reimbursed directly by that program for items and services furnished without regard to subsection (c)(1), except that all amounts so reimbursed shall be used by the tribal health program for the purpose of making any improvements in facilities of the tribal health program that may be necessary to achieve or maintain compliance with the conditions and requirements applicable generally to such items and services under the program under such title and to provide additional health care services, improvements in health care facilities and tribal health programs, any health care-related purpose (including coverage for a service or service within a contract health service delivery area or any portion of a contract health service delivery area that would otherwise be provided as a contract health service), or otherwise to achieve the objectives provided in section 3 of this Act. (B) Audits The amounts paid to a tribal health program making the election described in paragraph (1) with respect to a program under title XVIII, XIX, or XXI of the Social Security Act shall be subject to all auditing requirements applicable to the program under such title, as well as all auditing requirements applicable to programs administered by an Indian health program. Nothing in the preceding sentence shall be construed as limiting the application of auditing requirements applicable to amounts paid under title XVIII, XIX, or XXI of the Social Security Act. (C) Identification of source of payments Any tribal health program that receives reimbursements or payments under title XVIII, XIX, or XXI of the Social Security Act shall provide to the Service a list of each provider enrollment number (or other identifier) under which such program receives such reimbursements or payments. (3) Examination and implementation of changes (A) In general The Secretary, acting