509.07 COURTESY DUE TO AND FROM MUNICIPAL EMPLOYEES.
   (a)   Municipal officers and employees shall be courteous in their official transactions with the public, and they shall conduct themselves in the performance of official duties so as to not deprive any person, at the time and under the circumstances existing then and there, of any lawful right or benefit to which such person is entitled. Any person who feels aggrieved by the conduct of any Municipal officer or employee is hereby invited to bring the matter to the attention of such officer’s or employee’s department head or to the Mayor, without prejudice to any other recourse to which such aggrieved person may be entitled.
   (b)   Members of the public, in turn, should be courteous in their transactions with Municipal officers and employees, and it shall be unlawful for any person to knowingly taunt, deride, jeer or otherwise insult or debase, whether by act, word or gesture any Municipal officer or employee at any time or place while such officer or employee is lawfully engaged in the performance of any official duty.