Chapter 3.16 PURCHASING SYSTEM This chapter is included in your selections. Sections: 3.16.010 Adoption of system. 3.16.020 Purchasing officer—Powers and duties. 3.16.030 Requisitions. 3.16.040 Bidding required—Exceptions. 3.16.050 Purchases by purchase orders. 3.16.060 Bidding procedure. 3.16.070 Preference for local suppliers.