Chapter 22.22 DOWNTOWN COMMERCIAL ZONING DISTRICT This chapter is included in your selections. Sections: 22.22.010 Purpose. 22.22.020 Applicability. 22.22.030 Development standards. 22.22.040 Downtown commercial neighborhoods. 22.22.050 Land use. 22.22.060 Bulk requirements. 22.22.070 Variances.