Tennessee Code Title 6. Cities and Towns § 6-31-201

(1) Resigns;

(2) Dies;

(3) Moves the member's residence from the district in which the council member was elected;

(4) Has been continuously disabled for a period of six (6) months so as to prevent the council member from discharging the duties of such office;

(5) Fails to attend sixty percent (60%) of regular council meetings in any period of six (6) consecutive months;

(6) Accepts any state, county or other municipal office or position of employment that is filled by public election or that is remunerative, except as a notary public or member of the national guard; or

(7) Is convicted of malfeasance or misfeasance in office, a felony, a violation of the charter, or a violation of the election laws of the state.