Chapter 18.80 SIGN REGULATIONS This chapter is included in your selections. Sections: 18.80.010 Purpose. 18.80.020 Applicability and general requirements. 18.80.030 Definitions. 18.80.040 On-site signage. 18.80.050 Temporary signage. 18.80.060 Political signs on public streets. 18.80.070 Off-site signage. 18.80.080 Administration.