Chapter 11.15 OPEN MARKET PURCHASING PROCEDURES AND CONTRACTS This chapter is included in your selections. Sections: 11.15.010 Contracts and purchases – $50,000 or less. 11.15.020 Contracts and purchases – In excess of $10,000 but not more than $50,000. 11.15.030 Shipping. 11.15.040 American products. 11.15.050 State or federally funded projects.