If at any time the Mayor shall:
   A.   Cease to possess any of the aforesaid qualifications of office; or
   B.   Be convicted of a felony or other crime involving moral turpitude; or
   C.   Have failed to take the required oath or to give any bond required of him within twenty (20) days after notification of his appointment or election, or obligation to give a new or additional bond; or
   D.   Have been adjudicated legally incompetent; or
   E.   Be guilty of gross misconduct or gross neglect of duty; or
   F.   Have violated his oath of office, pending the hearing as provided, it shall be the duty of Council to declare the office of Mayor vacant, and upon such declaration, the office of Mayor shall automatically and immediately become vacant.
Such declaration by Council shall be made only after public hearing upon the charge or charges against him at least fifteen (15) days in advance of such declaration; provided, further, that he or his counsel shall have been given an opportunity to be heard, present evidence, and examine all witnesses appearing in support of such charge or charges. To be effective, such declaration of vacancy in the office of Mayor must receive the affirmative vote of five (5) or more members of Council.