Every officer and employee of the city shall before entering upon his duties, take and subscribe to the following oath or affirmation to be filed and kept in the office of the clerk of council:
"I solemnly swear (or affirm) that I will support the constitution of the United States
and of the state of Ohio and will obey the laws thereof, and that I will, in all respects,
uphold and enforce the provisions of the charter and ordinances of this city and will
faithfully discharge the duties of _____________________ upon which I am about to enter."