Continuation of an Existing Land Use. An existing land use is lawful only when it was legally established in compliance with all applicable regulations, and when it is operated and maintained in compliance with all applicable provisions of this title, including Chapter
21.56 (Nonconforming Uses, Structures and Parcels) of this title.
Existing land uses that were in violation of city zoning regulations applicable before the effective date of this title, are in violation of this title. These uses shall continue to be in violation unless they conform to the current provisions of this title, except as otherwise provided in this title.