Chapter 19.23 SIGN REGULATIONS 19.23.010 Purpose and intent. 19.23.020 Applicability. 19.23.030 Definitions and interpretation. 19.23.040 Regulation of political signs. 19.23.050 Exempt signs. 19.23.060 Prohibited signs. 19.23.070 Sign permit requirements. 19.23.080 Sign computation. 19.23.090 Sign illumination. 19.23.100 Design, construction and maintenance. 19.23.110 Sign programs. 19.23.120 Permitted signs. 19.23.130 Legal nonconforming signs. 19.23.140 Sign removal. 19.23.150 Exceptions.