Chapter 17.04 DISTRICT REGULATIONS This chapter is included in your selections. Sections: 17.04.010 R – Residential district. 17.04.040 C – Commercial district. 17.04.050 AG – Agricultural district. 17.04.060 I – Industrial district. 17.04.070 PUD – Planned unit development. 17.04.080 Parks/trails/open space district.