Chapter 13.12 CROSS-CONNECTION CONTROL PROGRAM This chapter is included in your selections. Sections: 13.12.010 Purpose. 13.12.020 Definitions. 13.12.030 Cross-connection and protection requirements. 13.12.040 Discontinuance of service. 13.12.050 Right of entry. 13.12.060 Requirements for certification as a back-flow prevention device tester.