Chapter 17.40 ZONING DISTRICT ESTABLISHMENT This chapter is included in your selections. Sections: 17.40.010 Establishment. 17.40.020 Filing of land use code and map. 17.40.030 Rules for locating boundaries. 17.40.040 Authorized uses within districts are plenary. 17.40.050 Additional requirements in each district. 17.40.060 Zoning at time of annexation.