It shall be unlawful for any aircraft service operator, gasoline service operator, concessionaire or motor carrier to engage, or offer to engage, in any activity at the airport, and for any person to perform or offer to perform any services, or to furnish or offer to furnish any goods, wares or merchandise, or to engage or offer to engage in any commercial activity at the airport prior to the time a permit for each such activity has been granted by the city or after any permit for any such activity has expired or terminated for any cause.
('68 Code, § 3-65) (Ord. passed 1-12-60) Penalty, see § 90.999