At the time the application for a license is made to conduct the activities specified in § 113.02, where use of city grounds is contemplated, the applicant shall deposit with the clerk a cash bond of not less than $100 nor more than $500 conditioned upon the restoration and cleaning up of the grounds in a manner satisfactory to the mayor. In the event the grounds shall be restored and cleaned up properly following the exhibition, the deposit shall be returned; otherwise the same shall be forfeited to the city.
('68 Code, § 56.6) Penalty, see § 113.99