(b) The Auditor:
(1) Shall accept an electronic requisition from Marshall University and West Virginia University in an unaltered format approved by the Auditor;
(2) May accept or require an electronic requisition from any entity other than Marshall University or West Virginia University at his or her discretion in an unaltered format approved by the Auditor; and
(3) May not issue a warrant for an amount that exceeds the appropriation or for an expired appropriation.