The mayor or a council office becomes vacant:
(A) Upon the incumbent’s:
(1) Death;
(2) Adjudicated incompetence; or
(3) Recall from the office.
(B) Upon declaration by the council after the incumbent’s:
(1) Failure to qualify for the office within ten days of the time the term of office is to begin;
(2) Absence from the city for 30 days without council consent, or from all council meetings within a 60-day period;
(3) Ceasing to reside in the city;
(4) Ceasing to be a qualified elector under state law;
(5) Conviction of a public offense punishable by loss of liberty;
(6) Resignation from the office; or