A. Purchase of supplies, services and equipment shall be made only by purchase order or city council approved contract. Except in cases of emergency as defined in this chapter, no officer or employee of the city shall request a supplier to deliver supplies, services and equipment to the city unless a regular purchase order has been issued by the purchasing officer.

B. The chief purchasing officer may issue prenumbered purchase orders to authorized city officials for use in securing over-the-counter delivery of miscellaneous supplies against an open purchase order as needed. All purchase orders and order blanks shall be the responsibility of the city clerk's office. (Ord. 88-16 Art. 1 § 4, 1988)