(1) Subject to the provisions of appropriations Acts, amounts in the fund shall be available, without fiscal year limitation, to the Secretary for the following purposes:
(A) Furnishing medical care and services under this chapter, to be available during any fiscal year for the same purposes and subject to the same limitations (other than with respect to the period of availability for obligation) as apply to amounts appropriated from the general fund of the Treasury for that fiscal year for medical care.
(B) Expenses of the Department for the identification, billing, auditing, and collection of amounts owed the United States by reason of medical care and services furnished under this chapter.