This chapter shall apply to any structure or any portion of a structure that is designed and used, or is designed and formerly used for commercial uses (as defined by the Planning and Development Code) and has remained vacant and unoccupied for more than 45 days. This chapter shall also apply to any structure that is designed and used, or is designed and formerly used, for residential purposes and has remained vacant and unoccupied for more than 10 days. The incidental use of any vacant structure for storage purposes does not exempt the structure from the provisions of this chapter. (Ord. 2017-0049 § 1; prior code § 9.12.451)