The department shall from time to time issue its requisition for a lump sum amount for the payment of benefits or refunds upon the Comptroller General who shall draw his warrant on the State Treasurer in the form provided by law. The Treasurer shall pay this amount to the department by a check drawn on the benefit account, notwithstanding any provisions of law in this State relating to deposit, administration, release and disbursement of money in the possession or custody of this State to the contrary. The department in requisitioning lump sum withdrawals from the State Treasurer for the payment of individual benefit claims shall not exceed in any event the balance of funds in the benefit account, and the requisition must be in an amount estimated to be necessary for benefit payments for a period that the department may prescribe by regulation.