None of the on-site or off-street parking or loading area requirements of this section shall apply within the old B-1 Central Business District zone to existing improved tracts or parcels provided there is not more than a 10% increase in the improved area or coverage of the tract or parcel existing on the effective date of this chapter. The provisions of this section shall not apply to unimproved tracts or parcels, nor when existing structures are substantially demolished and a major development or redevelopment of the property occurs.
(Prior Code, § 11.13)