To the extent permitted by federal law, a nonprofit organization which before the operative date of this section elected reimbursement financing pursuant to Section 801 and which has a favorable reserve account on the operative date of this section shall not be liable for the reimbursement of benefits pursuant to the election to the extent that the cost of benefits does not exceed the amount in the reserve account. Notwithstanding Section 1029, the reserve account shall not be canceled and the cost of benefits otherwise chargeable to the organization shall be charged to the reserve account until it is exhausted.