9-12-1: GENERAL REQUIREMENTS:
   A.   Compliance Required: No building or structure shall be erected, substantially altered, or its use changed unless permanently maintained off-street parking and loading spaces have been provided in accordance with the provisions of this title.
   B.   Existing Buildings Or Structures: The provisions of this chapter, except where there is a change of use, shall not apply to any existing buildings or structure. Where the new use involves no additions or enlargements, there shall be provided as many such spaces as may be required by this title.
   C.   Change: Whenever a building or structure constructed after the effective date hereof is changed or enlarged in floor area, number of employees, number of dwelling units, seating capacity, or otherwise, to create a need for an increase in the number of existing parking spaces, additional parking spaces shall be provided on the basis of the enlargement or change. Whenever a building or structure existing prior to the effective date hereof is enlarged to the extent of fifty percent (50%) or more of any of the following: floor area, number of employees, number of housing units, seating capacity or otherwise, such building or structure shall then and thereafter comply with the full parking requirements set forth herein. (Ord. 15, 7-11-1977)