(a) Within the "P-1" District no use, whether principal or accessory, shall be instituted or changed, and no building or structure, or part thereof, shall be erected, altered or used, or land or water used: nor shall any building permit or certificate of occupancy be issued therefor unless and until such use and a development plan for such building, structure or use shall have been presented to and approved by the Planning Commission.
(b) In the event any public or semipublic properties within the "PI" District are disposed of by sale or subdivided in any manner, subsequent use may not be more intensive in use than its prior use. (Ord. 430 AC. Passed 11-29-65.)