Chapter 20.80 NONCONFORMANCES – STRUCTURES, USES AND LOTS This chapter is included in your selections. Sections: 20.80.010 Intent. 20.80.020 Distinction between conforming, illegal nonconforming, and legal nonconforming. 20.80.030 Illegal nonconforming structures, uses, and lots. 20.80.040 Legal nonconforming structures. 20.80.050 Legal nonconforming lots. 20.80.060 Legal nonconforming use.