(a) The MIR date shall be determined in accordance with subdivision (b) of this section whenever the cash balance of the fund or subfund from which the payment is to be made is insufficient to finance the payment and the appropriations from such fund or sub-fund does not authorize the transfer of money from another fund or sub-fund to finance the payment.

(b) The MIR date shall be the original MIR date increased by the number of days between the date that the Comptroller determines that there are insufficient funds to finance the payment and the date upon which sufficient funds are received by the Comptroller or State Treasurer.

(c) In any case where a voucher has been held for more than two business days because of insufficient cash, the Comptroller will notify the agency responsible for collecting the revenues required to fund the payment. The agency shall promptly take all reasonable efforts to collect such revenue and upon collection shall immediately transmit such revenues to the Comptroller or State Treasurer. If the agency has not collected such revenues within five business days, it shall notify the Comptroller, in writing, of the efforts which it has made and why they have been unsuccessful.