The State Fiscal Accountability Authority shall, when necessary, borrow as otherwise provided by law a sufficient sum or sums of money to provide for the payment of all demands upon the State Treasury, to the end that the general fund herein authorized shall at no time become exhausted, and the authority shall maintain at all times a cash balance sufficient in its judgment to meet the requirements of §§ 11-9-240 to 11-9-270 and this section.