There shall be no rear yard requirements, except where the C-4 Zone adjoins a street, agricultural or residential zone, school or park, in which case there shall be a rear yard of not less than 20 feet adjoining said street, agricultural or residential zone, school or park.
('64 Code, § 44.12) (Am. Ord. 358, passed 7-10-69; Am. Ord. 746, passed 4-13-89) Penalty, see § 10.97