(a) All purchases made under section 17.1 of this chapter shall be made upon written requisitions therefor upon the Purchasing Agent. The Purchasing Agent shall immediately proceed to purchase under the provisions of the ordinances the property so required and to distribute it accordingly taking a receipt therefor upon the original requisition. The Purchasing Agent shall then forward the requisition to the City Clerk. Purchases in excess of $3,000.00 shall be awarded upon bids as hereinafter set forth.

(b) Notwithstanding any of the provisions herein, purchases may be made at auctions with the express approval of the Board of Aldermen and City Purchasing Agent. (Amended 1997, No. M-20 (Adj. Sess.), § 2, eff. May 14, 2008.)