Whenever any provision of this Zoning Code imposes more stringent requirements, regulations, restrictions or limitations than are imposed or required by the provisions of any other law or ordinance, the provisions of this Zoning Code shall govern. Whenever the provisions of any other law or ordinance impose more stringent requirements than are imposed or required by this Zoning Code, the provisions of such law or ordinance shall govern.
(1975 Code § 5.111)