No officer or employee of the city shall purchase, order, contract for, or otherwise acquire any supplies, materials, equipment or services unless there exists an unencumbered balance of an allocated appropriation of funds available for such purpose against which the expenditure will be charged. No such purchase, order, contract or acquisition shall be made by any such officer or employee except as provided in this chapter and the purchasing/contracting procedures established pursuant to Section 2.68.160.
(Ord. 1500 § 1(part), 1993)