Chapter 6.98 RESIDENTIAL RENTAL UNIT REGISTRATION This chapter is included in your selections. Sections: 6.98.010 Purpose. 6.98.020 Definitions. 6.98.030 Residential Rental Unit Registration Required. 6.98.040 Residential Rental Unit Registration – Exemptions. 6.98.060 Registration Renewal and Updates. 6.98.070 Violations. 6.98.080 Severability.