Chapter 18.23 COMMERCIAL AND INDUSTRIAL ZONES This chapter is included in your selections. Sections: 18.23.010 Purpose. 18.23.020 Intent of commercial and industrial zones. 18.23.030 Uses. 18.23.040 Development standards. 18.23.050 Additional development standards for C-2, central business zone. 18.23.060 Additional development standards for the ep, environmental park zone.