Chapter 15.72 MANDATORY PHOTOVOLTAIC SYSTEM REQUIREMENTS This chapter is included in your selections. Sections: 15.72.010 Findings. 15.72.020 Purpose. 15.72.030 When required. 15.72.040 Size. 15.72.050 Exceptions. 15.72.060 Proof of compliance. 15.72.070 Effective date.