In meeting its requirements under the Social Security Act that payments to hospitals will take into account the situation of disproportionate share hospitals, the agency shall, not later than the beginning of each fiscal year, promulgate regulations establishing the total amount of funds to be appropriated for each fiscal year by the agency for reimbursement, in accordance with its approved methodology, to disproportionate share hospitals other than state-owned teaching hospitals. In no event shall the total amount of funds appropriated for reimbursement to disproportionate share hospitals in accordance with and subject to the approved methodology be less than the disproportionate cap established by the Health Care Financing Administration.