Chapter 2.100 CIVIL DEFENSE This chapter is included in your selections. Sections: Article I. Organization2.100.010 Civil defense organization.2.100.020 Purpose.2.100.030 References.2.100.040 Geographical boundaries.2.100.050 Situations and assumptions. Article II. Basic Plan2.100.060 Mission.2.100.070 Emergency tasks and County emergency organization with assignment of emergency.2.100.080 Execution of emergency plan.2.100.090 Communications and control.2.100.100 Responsibilities.